7Baggers

Ur-Energy Inc
(NYSE MKT:URG) 

URG stock logo

Ur-Energy Inc. engages in the acquisition, exploration, development, and operation of uranium mineral properties. The company holds interests in 12 projects located in the United States. Its flagship property is the Lost Creek project comprising a total of approximately 1,800 unpatented mining claim...

Founded: 2004
Full Time Employees: 30
Sector: Energy
Industry: Uranium

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Quarterly
Annual
    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-10-28 2013-07-30 2013-05-14 2012-10-31 2012-07-27 2012-04-27 2011-10-25 2011-06-30 2011-03-31 2010-09-30 2010-06-30 2010-03-31 2010-03-11 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 
                                                                          
      sales
    3,931,000 10,449,000 6,323,000 10,435,000  22,653,000 6,400,000 4,653,000  5,441,000 5,752,000 39,000 6,447,000   19,000   9,000 7,000  12,000  6,934,000 1,370,000 10,849,000 5,115,000 11,479,000 4,812,000 14,000 3,000 3,807,000 19,672,000 26,000 11,693,000 11,821,000 14,828,000 5,776,000 12,068,000 6,747,000 2,714,000 7,786,000 8,491,000 18,213,000 7,387,000 6,637,000 7,329,000 9,236,000 6,147,000                      
      cost of sales
    -2,687,000 -8,977,000 -7,063,000 -8,495,000 -2,598,000 -32,600,000 -5,613,000 -3,327,000 -1,139,000 -5,055,000 -4,855,000 -2,951,000 -6,504,000 -1,822,000 -1,655,000 -1,662,000 -1,722,000 -1,789,000 -1,703,000 -1,835,000 -1,673,000 -1,506,000 -1,840,000 -6,517,000 -3,105,000 -6,451,000 -7,515,000 -11,163,000 -5,146,000 -50,000 -170,000 -2,225,000 -9,758,000 -376,000 -11,157,000 -6,573,000 -6,295,000 -3,081,000 -5,818,000 -5,094,000 -1,855,000 -5,931,000 -4,180,000 -13,791,000 -5,390,000 -3,697,000 -3,752,000 -7,169,000 -3,240,000                      
      gross profit
    1,244,000 1,472,000 -740,000 1,940,000 -2,598,000 243,500 787,000 1,326,000  -518,000 897,000      -1,722,000 -1,789,000 -1,694,000 -1,828,000 -1,673,000 -1,494,000 -1,840,000 417,000 -1,735,000 4,398,000 -2,400,000 316,000 -334,000 -36,000 -167,000 1,582,000 9,914,000 -350,000 536,000 5,248,000 8,533,000 2,695,000 6,250,000 1,653,000 859,000 1,855,000 4,311,000 4,422,000 1,997,000 2,940,000 3,577,000 2,067,000 2,907,000                      
      yoy
    -147.88% 504.52% -194.03% 46.30%  -147.01% -12.26%          2.93% 19.75% -7.93% -538.37% -3.57% -133.97% -23.33% 31.96% 419.46% -12316.67% 1337.13% -80.03% -103.37% -89.71% -131.16% -69.86% 16.18% -112.99% -91.42% 217.48% 893.36% 45.28% 44.98% -62.62% -56.99% -36.90% 20.52% 113.93% -31.30%                          
      qoq
    -15.49% -298.92% -138.14% -174.67% -1166.94% -69.06% -40.65%   -157.75%       -3.75% 5.61% -7.33% 9.26% 11.98% -18.80% -541.25% -124.03% -139.45% -283.25% -859.49% -194.61% 827.78% -78.44% -110.56% -84.04% -2932.57% -165.30% -89.79% -38.50% 216.62% -56.88% 278.10% 92.43% -53.69% -56.97% -2.51% 121.43% -32.07% -17.81% 73.05% -28.90%                       
      operating costs
    -21,577,000 -19,443,000 -19,071,000 -17,703,000 -13,237,000 -13,588,000 -12,650,000 -12,733,000 -15,145,000 -8,783,000 -11,289,000 -6,019,000 -3,065,000 -3,284,000 -2,910,000 -3,460,000 -3,298,000 -2,995,000 -2,189,000 -2,777,000 -1,812,000 -2,243,000 -2,157,000                                                
      operating profit
    -20,333,000 -17,971,000 -19,811,000 -15,763,000 -15,835,000     -5,611,250 -10,392,000                                                            
      yoy
    28.41%                                                                      
      qoq
    13.14% -9.29% 25.68% -0.45%      -46.00%                                                             
      interest income
    765,000 321,000 518,000 701,000 867,000                                         -390,000 -921,000 -714,000 -674,000 -6,178,773 2,756 19,309 18,708 85,142 91,637 63,523 55,187 9,474,308 71,206 83,516 92,912 105,265 890,915 141,016 130,519 218,637 400,743  573,608 600,409 
      interest expense
    -2,946,000 -1,027,000 -364,000 -290,000 -266,000                             -314,000 -332,000 -353,000 -378,000 -434,000 -474,000 -515,000 -554,000 -587,000 -624,000 -658,000                           
      mark to market gain
    -6,363,000 3,042,000 -7,854,000 -5,622,000 4,310,000                                                                  
      foreign exchange gain
    -639,000 -7,000 5,000 -24,000  58,000 6,000 4,000 12,000 -10,000 13,000 -14,000 336,000 -2,000 19,000   -3,000 15,000 -71,000 -296,000 -26,000 -53,000 -8,000 15,000 -4,000 4,000 -10,000 -18,000 38,000  4,000 6,000   -25,000 8,000 1,000     2,000  1,000  3,000   171,365 -5,056 -2,349 40 -456,457 380,428  1,122,547 -181,230  -588,286 837,178 -987,965 -3,506,111 -1,393,136 -814,255 -1,933,051 634,331  -425,796 -156,301 
      other income
    741,000 61,000 43,000 42,000 26,000 360,000 -333,000 9,000  -26,000 2,000 7,000 -7,000 8,000 -7,000 4,000 1,250,000 -3,000 2,000 904,000 2,000 2,000 -1,000 17,000  29,000  15,000  37,000  3,540,000 33,000 1,000 57,000 63,000   -27,000 4,000 38,000  5,000     1,000  -3,963 -4,858 -5,751 -5,243 -1,774 -11,625 975,945 -10,908 898,518 -51,380 8,586 -12,000 -750 940,237 -34,878 1,085,947 -117,332 6,500  -18,203 3,000 
      net income
    -28,775,000 -15,581,000 -27,463,000 -20,956,000 -10,898,000 -20,062,000 -8,002,000 -6,584,000 -18,541,000 -5,472,000 -17,187,000 -7,284,000 -713,000 -4,897,000 -4,962,000 -353,000 -6,928,000 421,000 -9,108,000 -6,879,000 -7,372,000 -5,221,000 -3,696,000                       -1,563,000 -3,500,000 -804,000  -20,131,018 -3,210,867 -3,931,627 -3,079,488                  
      yoy
    164.04% -22.34% 243.20% 218.29% -41.22% 266.63% -53.44% -9.61% 2500.42% 11.74% 246.37% 1963.46% -89.71% -1263.18% -45.52% -94.87% -6.02% -108.06% 146.43%                           -92.24% 9.00% -79.55%                       
      qoq
    84.68% -43.27% 31.05% 92.29% -45.68% 150.71% 21.54% -64.49% 238.83% -68.16% 135.96% 921.60% -85.44% -1.31% 1305.67% -94.90% -1745.61% -104.62% 32.40% -6.69% 41.20% 41.26%                        -55.34% 335.32%   526.97% -18.33% 27.67%                   
      foreign currency translation adjustment
    914,000 -290,000 100,000 73,000 -28,000 113,000 -23,000 98,000 283,000 -257,000 144,000 -117,000 -317,000 -14,000 87,000 158,000 -108,000 -37,000 219,000 34,000 219,000 -14,000 36,000                                                
      comprehensive income
    -27,861,000 -15,871,000 -27,363,000 -20,883,000 -10,926,000     -6,368,500 -17,043,000       -5,721,750 -8,889,000 -6,845,000 -7,153,000 -5,235,000 -3,660,000                                                
      income per common share:
                                                                          
      basic
    -70 -40 -70 -60 -30             -30 -40 -40 -40 -30 -20   20 -30 -10 -30 -10 -20 20 40 -20 10 40                                  
      diluted
    -70 -40 -70 -60 -30             -30 -40 -40 -40 -30 -20   20 -30 -10 -30 -10 -20 20 40 -20 10 30                                  
      weighted-average common shares:
                                                                          
      basic
    388,804,990,000 368,390,765,000 367,148,807,000 364,819,260,000 364,434,300,000 317,661,375,000 341,418,122,000 286,352,188,000 278,030,162,000 260,044,403,000 265,279,380,000 264,826,804,000 241,893,816,000 220,496,862,000 221,844,180,000 219,146,082,000 217,254,138,000 195,691,842,000 197,205,734,000 190,240,544,000 181,892,848,000 164,257,092,000 166,130,403,000   159,903,052,000 159,946,969,000 159,820,583,000 159,729,403,000 150,034,566,000 147,483,434,000 146,699,582,000 146,568,609,000 145,818,394,000 145,918,020,000 145,873,898,000 144,883,255,000                                  
      diluted
    388,804,990,000 368,390,765,000 367,148,807,000 364,819,260,000 364,434,300,000 317,661,375,000 341,418,122,000 286,352,188,000 278,030,162,000 260,044,403,000 265,279,380,000 264,826,804,000 241,893,816,000 220,496,862,000 221,844,180,000 219,146,082,000 217,254,138,000 195,691,842,000 197,205,734,000 190,240,544,000 181,892,848,000 164,257,092,000 166,130,403,000   159,903,052,000 159,946,969,000 159,820,583,000 159,729,403,000 151,598,180,000 147,483,434,000 148,495,249,000 147,821,876,000 147,533,966,000 145,918,020,000 151,669,010,000 149,460,429,000                                  
      operating income
         -23,535,000 -11,863,000 -11,407,000 -16,284,000                                                              
      net interest income
         1,053,000 1,220,000 580,000 488,000 392,000 406,000 460,000 213,000                                                          
      warrant liability revaluation gain
         1,110,500 2,968,000 4,230,000 -2,756,000 2,569,000 -7,216,000 1,194,000 1,867,000 215,000 -295,000                                                        
      comprehensive loss
         -19,949,000 -8,025,000 -6,486,000 -18,258,000   -7,401,000 -1,030,000 -4,911,000 -4,875,000 -195,000 -7,036,000                                                      
      loss per common share:
                                                                          
      basic
         -60 -20 -20 -70   -30  -20 -30  -30                                                      
      diluted
         -60 -20 -20 -70   -30  -20 -30  -30                                                      
      gross loss
            -1,139,000   -2,912,000 -57,000 -1,822,000 -1,655,000 -1,643,000                                                       
      other loss
            -1,000                                                              
      earnings per common share:
                                                                          
      basic
             -25 -70                                                            
      diluted
             -25 -70                                                            
      income from operations
               -8,931,000 -3,122,000 -5,106,000 -4,565,000 -5,103,000 -5,020,000       -1,810,000 -3,797,000 2,060,000 -5,031,000 -1,763,000 -3,555,000 -2,099,000 -2,574,000 -688,000 6,668,000 -3,120,000 -2,683,000 1,631,000 5,559,000 520,000 3,208,000 -1,414,000 -2,043,000    -1,360,000 -2,267,000 -2,789,000 -926,000 -997,000 -14,121,578 -3,197,017                    
      net interest expense
                 -12,000 -114,000 -163,000 -174,000 -175,000 -182,000 -187,000 -189,000 -188,000 -195,000 -195,000 -132,000 -151,000 -153,000 -168,000 -196,000 -212,000 -241,000 -261,000 -288,000                                      
      warrant liability mark to market loss
                   4,888,000 -2,973,000                                                      
      foreign exchange loss
                   21,000 -11,000                 7,000 -40,000      -272,000       -1,000 -14,000          -784,197            
      profit from operations
                     -2,993,250 -3,883,000 -4,605,000 -3,485,000 -3,737,000 -3,997,000                   68,500 190,000 1,444,000                           
      warrant liability mark to market gain
                     5,386,000 -5,060,000 -2,920,000 -3,404,000                                                  
      warrant mark to market gain
                         -1,272,000 550,000                                                
      operating expenses
                                                                          
      exploration and evaluation
                           -554,000 -391,000 -392,000 -822,000 -490,000 -774,000 -472,000 -588,000 -606,000 -766,000 -461,000 -560,000 -691,000 -912,000 -594,000 -828,000 -687,000 -855,000 -637,000 -981,000 -550,000 -685,000 -575,000 -830,000 -854,000 -1,018,000 -553,117 -626,077 606,869 598,937 984,758 838,468 813,378 1,553,163 51,734,984 754,452 1,779,132 921,487 922,259 4,944,227 219,281 2,214,050 1,274,631 1,236,265    
      development
                           -343,000 -273,000 -573,000 -372,000 -292,000 -166,000 -260,000 -522,000 -440,000 -432,000 -841,000 -1,454,000 -1,829,000 -216,000 -502,000 -1,108,000 -727,000 -549,000 -1,842,000 -1,930,000 -557,000 -1,029,000 -2,649,000 -3,738,000 -711,000 -574,000 -15,546,790 -1,286,634 673,029 958,547 1,897,908 672,452 366,656 1,453,623 22,499,298 1,906,128 1,918,003 791,027 1,562,393 6,931,303 1,778,336 1,878,899 897,580     
      general and administrative
                           -1,187,000 -1,253,000 -1,227,000 -1,282,000 -1,153,000 -2,138,000 -1,203,000 -1,169,000 -1,098,000 -1,922,000 -1,342,000 -1,070,000 -963,000 -1,714,000 -944,000 -972,000 -1,459,000 -1,365,000 -1,374,000 -1,081,000 -1,743,000 -1,517,000 -1,425,000 -1,469,000 -1,335,000 -2,312,000 -1,381,475 -1,284,306 1,390,950 1,535,269 1,211,270 1,487,515 1,836,809 1,323,658 37,005,647 1,161,327 1,146,958 1,269,047 1,319,540 5,430,480 1,421,762 1,248,210 1,400,320 1,360,188  3,331,677 2,321,337 
      accretion of asset retirement obligations
                           -143,000 -145,000 -146,000 -144,000 -144,000 -143,000 -128,000 -128,000 -126,000 -126,000 -126,000 -135,000 -134,000 -132,000 -135,000 -134,000 -132,000 -133,000                              
      warrant mark to market adjustment
                           -231,000 273,000 181,000 981,000 -105,000 -533,000 570,000 11,000        5,000  31,000 -4,000 140,000 248,000 -77,000 160,000 210,000  -263,000                      
      net loss for the period
                           -2,227,000 -3,641,000               -1,928,000 -2,989,000 -346,500 -287,000  -2,124,000 -1,563,000 -3,500,000 -804,000 -1,948,000 -2,555,495.5 -3,210,867                    
      loss per common share
                                                                          
      basic and diluted
                           -10 -20               -10 -20    -20 -20 -30 -10 -20 -249.92 -0.03 -0.03 -0.03 -0.04 -0.02  -0.03  -0.04 -0.06 -0.02 -0.05 -0.2 -0.06 -0.04 -0.06   -0.03 -0.03 
      weighted-average number of common shares outstanding
                                                                          
      basic and diluted
                           160,478,059,000 160,478,059,000             141,999,537,000 143,605,552,000 143,471,310,000 136,472,421,000 130,056,932,000 130,187,127,000 130,135,611,000 129,709,518,000 128,781,215,000 128,961,509,000 128,741,134,000 128,101,046,000 122,231,993,000 122,454,943 122,083,092 121,283,077 121,079,684 121,073,896 111,979,033 103,648,167  103,003,110 98,949,781 95,757,096 93,940,568         
      other comprehensive loss, net of tax
                                                                          
      translation adjustment on foreign operations
                           4,000 27,000  15,000 -24,000 1,000 29,000 11,000 -12,000 -21,000 -7,000 48,000 29,000 -11,000 -4,000 2,000  252,000  2,000  26,000 16,000 21,000 -33,000 35,000                      
      comprehensive loss for the period
                           -2,223,000 -3,614,000               -1,931,000 -2,737,000 -341,500 -285,000  -2,098,000 -1,557,250 -3,479,000 -837,000 -1,913,000 -2,102,272.25 -1,930,550 -1,905,418 -2,012,487                  
      write-off of mineral properties
                              -11,000             -62,000      -61,000 -329,000   -1,160,196  269,804      803,336  381,252   102,439  -4,623 43,501 63,561    
      loss on equity investment
                                                   -3,000  -12,884 -6,692 -1,836 -240 -22,357 -2,327                
      net income for the period
                             2,115,000 -4,200,000 -2,031,000 -4,302,000 -1,666,000 -2,809,000 2,591,000 6,418,000 -3,426,000 -3,003,000 1,316,000 5,189,000 -778,500 1,803,000                                
      income per common share
                                                                          
      basic
    -70 -40 -70 -60 -30             -30 -40 -40 -40 -30 -20   20 -30 -10 -30 -10 -20 20 40 -20 10 40                                  
      diluted
    -70 -40 -70 -60 -30             -30 -40 -40 -40 -30 -20   20 -30 -10 -30 -10 -20 20 40 -20 10 30                                  
      weighted-average number of common shares outstanding
                                                                          
      basic
    388,804,990,000 368,390,765,000 367,148,807,000 364,819,260,000 364,434,300,000 317,661,375,000 341,418,122,000 286,352,188,000 278,030,162,000 260,044,403,000 265,279,380,000 264,826,804,000 241,893,816,000 220,496,862,000 221,844,180,000 219,146,082,000 217,254,138,000 195,691,842,000 197,205,734,000 190,240,544,000 181,892,848,000 164,257,092,000 166,130,403,000   159,903,052,000 159,946,969,000 159,820,583,000 159,729,403,000 150,034,566,000 147,483,434,000 146,699,582,000 146,568,609,000 145,818,394,000 145,918,020,000 145,873,898,000 144,883,255,000                                  
      diluted
    388,804,990,000 368,390,765,000 367,148,807,000 364,819,260,000 364,434,300,000 317,661,375,000 341,418,122,000 286,352,188,000 278,030,162,000 260,044,403,000 265,279,380,000 264,826,804,000 241,893,816,000 220,496,862,000 221,844,180,000 219,146,082,000 217,254,138,000 195,691,842,000 197,205,734,000 190,240,544,000 181,892,848,000 164,257,092,000 166,130,403,000   159,903,052,000 159,946,969,000 159,820,583,000 159,729,403,000 151,598,180,000 147,483,434,000 148,495,249,000 147,821,876,000 147,533,966,000 145,918,020,000 151,669,010,000 149,460,429,000                                  
      other comprehensive income, net of tax
                                                                          
      comprehensive income for the period
                             2,107,000 -4,185,000 -2,055,000 -4,301,000 -1,637,000 -2,798,000 2,579,000 6,397,000 -3,433,000 -2,955,000 1,345,000 5,178,000 -715,750 1,805,000                                
      write-off of equity investments
                                          -900,000  -189,000                              
      income per common share
                                                                          
      basic and diluted
                                         -5 10                                
      accretion
                                             -95,750 -129,000 -128,000 -126,000                          
      profit per common share
                                                                          
      basic and diluted
                                             -2.5  10                           
      net profit for the period
                                               1,025,000                           
      comprehensive profit
                                                                          
      comprehensive profit for the period
                                               1,017,000                           
      interest
                                                -688,000                          
      translation adjustment as of date of adoption of us as functional currency
                                                                          
      write off of mineral property
                                                   -93,000                       
      warrants mark to market adjustment
                                                   839,000                       
      loss per common share:
                                                                          
      basic and diluted
                           -10 -20               -10 -20    -20 -20 -30 -10 -20 -249.92 -0.03 -0.03 -0.03 -0.04 -0.02  -0.03  -0.04 -0.06 -0.02 -0.05 -0.2 -0.06 -0.04 -0.06   -0.03 -0.03 
      weighted-average number of common shares outstanding:
                                                                          
      basic and diluted
                           160,478,059,000 160,478,059,000             141,999,537,000 143,605,552,000 143,471,310,000 136,472,421,000 130,056,932,000 130,187,127,000 130,135,611,000 129,709,518,000 128,781,215,000 128,961,509,000 128,741,134,000 128,101,046,000 122,231,993,000 122,454,943 122,083,092 121,283,077 121,079,684 121,073,896 111,979,033 103,648,167  103,003,110 98,949,781 95,757,096 93,940,568         
      expenses
                                                                          
      income before income taxes
                                                     -2,555,495.5 -3,210,867 -3,931,627 -3,079,488 -4,489,382 -2,540,322  -3,163,916 -101,925,681 -4,606,374 -5,735,164 -2,074,241 -4,690,268 -19,101,263 -4,710,742 -4,947,815 -5,447,778 -3,994,928  -3,641,099 -2,508,506 
      recovery of future income taxes
                                                             -295,540     368,445 -429,055 797,500    384,741  
      translation adjustment for foreign operations
                                                     453,223.25 1,280,317 2,026,209 1,067,001                  
      write-off of investments
                                                       1,000,348                   
      net loss and comprehensive loss for the period
                                                       -3,931,627 -3,079,488 -4,489,382 -2,540,322  -3,163,916  -4,606,374 -5,735,164 -2,074,241 -4,690,268 -18,732,818 -5,139,797 -4,150,315 -5,447,778 -3,994,928  -3,256,358 -2,508,506 
      deficit - beginning of period
                                                         -114,260,133 -111,719,811  -102,221,221  -93,068,478 -84,338,015 -82,263,774 -77,573,506 -58,840,688      -16,797,717 -14,289,211 
      deficit - end of period
                                                         -118,749,515 -114,260,133  -105,385,137 -102,221,221 -97,674,852 -90,073,179 -84,338,015 -82,263,774 -77,573,506 -5,139,797 -72,433,709 -68,283,394 -62,835,616  -20,054,075 -16,797,717 
      loss on equity investments
                                                            -298 -74,012 -20,096 -13,635 -10,770 -2,626 -17,855        
      net income and comprehensive loss for the period
                                                             -102,221,221             
      weighted average number of common shares outstanding:
                                                                          
      basic and diluted
                                                                  93,857,257 93,857,257 93,907,324 93,893,607 93,684,163 92,996,339 93,243,607 93,222,893 
      loss from affiliate
                                                                   -3,372.5 -13,490      
      as previously reported
                                                                   -14,710,172 -68,283,394 -62,835,616 -58,840,688    
      change in policy for accounting for exploration and development costs
                                                                          
      as restated
                                                                   -14,710,172 -68,283,394 -62,835,616 -58,840,688    
      development expense
                                                                      2,376,488    
      weighted average number of shares outstanding,
                                                                          
      basic and diluted
                                                                  93,857,257 93,857,257 93,907,324 93,893,607 93,684,163 92,996,339 93,243,607 93,222,893 
      loss per common share, basic and diluted
                                                                      -0.04    
      general exploration expense
                                                                        32,692 163,060 
      write-off of mineral property and deferred exploration expenditures
                                                                        406,339  
      weighted average number of shares outstanding
                                                                          
      basic and diluted
                                                                  93,857,257 93,857,257 93,907,324 93,893,607 93,684,163 92,996,339 93,243,607 93,222,893 
      promotion
                                                                         193,095 
      regulatory authority and transfer agent fees
                                                                         17,899 
      professional fees
                                                                         118,176 
      amortization of capital assets
                                                                         142,047 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-10-28 2013-09-30 2013-07-30 2013-06-30 2013-05-14 2013-03-31 2012-10-31 2012-09-30 2012-07-27 2012-06-30 2012-04-27 2012-03-31 2011-10-25 2011-09-30 2011-06-30 2011-03-31 2010-09-30 2010-06-30 2010-03-31 2010-03-11 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 
                                                                                   
        assets
                                                                                   
        current assets
                                                                                   
        cash and cash equivalents
      122,841,000 123,863,000 52,033,000 57,603,000 74,848,000 76,055,000 118,460,000 61,314,000 53,896,000      39,920,000 43,267,000 46,315,000 46,189,000 33,413,000 21,491,000 17,595,000 4,268,000 6,643,000 5,567,000 5,594,000 7,752,000 3,360,000 6,536,000 3,916,000 6,372,000 11,621,000 7,530,000 9,169,000 3,879,000 2,146,000 7,320,000 8,393,000 1,552,000 2,961,000 2,475,000 7,317,000 1,443,000 3,627,000 3,851,000 2,182,000 3,104,000 3,372,000 1,554,000 4,672,000 1,627,000 6,192,790 6,192,790 12,424,213 12,424,213 4,013,823 4,013,823 20,410,168 20,410,168 26,863,121 26,863,121 30,686,038 30,686,038 22,261,684 22,261,684 25,019,648 27,119,996 27,471,163 30,332,339 30,518,214 32,457,323 32,457,323 48,453,559 27,205,124 21,978,755 25,799,735 29,047,501 21,725,876 
        marketable securities
      412,000                                                      3,750 3,750 5,250 5,250 7,125 7,125 18,750 18,750 15,750 15,750 26,250 42,000 33,000 16,500 28,500 29,250 29,250 38,250 33,000 22,500 7,500 17,250  
        trade receivables
      20,000  2,083,000 7,000  16,511,000 27,000 29,000                                                                      
        inventory
      28,026,000 24,291,000 19,179,000 20,897,000 23,485,000 20,744,000 4,246,000 5,074,000 4,698,000 2,571,000 4,701,000 6,275,000 6,275,000 9,903,000 9,903,000 7,923,000       7,619,000 7,485,000 339,000   7,092,000 6,232,000 1,840,000   6,998,000 4,515,000 1,720,000 7,451,000 5,761,000 4,109,000 3,405,000 4,890,000 5,934,000 3,345,000 4,858,000 3,885,000 4,703,000 5,168,000 3,301,000 2,201,000 3,916,000 2,053,000 1,080,833 1,080,833                          
        prepaid expenses and other current assets
      2,145,000 1,568,000 2,663,000                                                                           
        current portion of lease receivables
      697,000 708,000 654,000 643,000 569,000 354,000                                                                        
        total current assets
      154,141,000 150,430,000 76,612,000 80,951,000 99,958,000 115,261,000 125,015,000 67,963,000 60,019,000 63,669,000 66,531,000 75,454,000 84,759,000 43,944,000 51,202,000 53,878,000 48,909,000 48,623,000 36,159,000 24,969,000 18,207,000 5,082,000 15,219,000                                                       
        non-current assets
                                                                                   
        lease receivables
      1,664,000 1,814,000 2,028,000 2,195,000 2,007,000 1,127,000                                                                        
        restricted cash and cash equivalents
      12,857,000 11,484,000 11,373,000 11,256,000 11,139,000 11,023,000 10,897,000                                                                       
        mineral properties
      45,458,000 43,881,000 40,877,000 41,548,000 39,183,000 39,380,000 39,359,000 39,443,000 34,938,000 34,906,000 34,892,000 35,096,000 35,407,000 35,682,000 35,966,000 34,443,000 34,755,000 35,067,000 35,193,000 35,754,000 38,675,000 39,184,000 41,192,000 41,958,000 42,555,000 43,212,000 43,791,000 44,512,000 45,162,000 45,805,000 43,435,000 43,871,000 44,256,000 44,677,000 45,271,000 46,336,000 46,885,000 47,029,000 48,472,000 49,230,000 50,050,000 50,610,000 50,560,000 50,161,000 51,455,000 52,750,000 53,917,000 50,060,000 51,433,000 52,702,000 52,320,167 52,320,167 30,209,027 30,209,027 28,722,968 28,722,968 33,393,040 33,393,040 33,331,471 33,331,471 33,322,511 33,322,511 32,104,209 32,104,209 32,103,652 32,068,906 29,974,272 30,209,105 29,925,641 29,733,296 29,733,296 29,533,955 32,314,197 32,237,403 31,808,821   
        capital assets
      61,240,000 49,742,000 40,057,000 35,385,000 30,586,000 27,337,000 25,502,000 21,764,000 21,148,000 21,044,000 21,216,000 20,735,000 20,669,000 20,132,000 20,099,000 20,427,000 20,859,000 21,260,000 20,590,000 21,004,000 21,428,000 21,891,000 22,356,000 22,812,000 23,266,000 23,630,000 24,018,000 24,396,000 24,772,000 25,158,000 25,612,000 26,072,000 26,538,000 26,961,000 27,428,000 27,932,000 28,329,000 28,848,000 29,366,000 29,864,000 30,349,000 30,788,000 31,322,000 31,892,000 32,451,000 32,993,000 33,510,000 34,090,000 34,675,000 35,250,000 38,533,901 38,533,901 48,037,903 48,037,903 30,319,321 30,319,321 6,088,059 6,088,059 4,214,396 4,214,396 3,896,694 3,896,694     3,327,378 3,286,253 2,790,487 2,739,121 2,739,121 1,399,540 1,463,917 1,549,070 1,631,304 1,743,906 1,690,457 
        capped call derivative
      16,288,000 15,108,000                                                                            
        total non-current assets
      137,507,000 122,029,000 94,335,000 90,384,000 82,915,000 78,867,000 76,356,000 72,615,000 64,921,000 64,707,000 64,542,000 64,154,000 64,299,000 63,951,000 64,130,000 62,896,000 71,557,000 72,216,000 71,565,000 72,540,000 75,823,000 76,748,000 71,405,000                                                       
        total assets
      291,648,000 272,459,000 170,947,000 171,335,000 182,873,000 194,128,000 201,371,000 140,578,000 124,940,000 128,376,000 131,073,000 139,608,000 149,058,000 107,895,000 115,332,000 116,774,000 120,466,000 120,839,000 107,724,000 97,509,000 94,030,000 81,830,000 86,624,000                                                       
        liabilities and shareholders’ equity
                                                                                   
        current liabilities
                                                                                   
        accounts payable and accrued liabilities
      16,681,000 10,369,000 8,611,000 7,130,000 7,940,000 4,474,000 7,107,000 4,051,000 4,842,000 2,366,000 3,316,000 1,750,000 1,858,000 1,168,000 3,245,000 3,420,000 3,594,000 2,864,000 2,178,000 2,680,000 2,439,000 2,320,000 2,365,000 2,255,000 2,181,000 2,211,000 2,475,000 2,453,000 3,680,000 2,343,000 2,840,000 2,654,000 4,410,000 3,039,000 3,391,000 3,730,000 5,154,000 3,625,000 4,753,000 4,517,000 5,679,000 4,567,000 5,264,000 4,195,000 4,799,000 4,532,000 5,064,000 3,330,000 3,796,000 2,928,000 6,659,230 6,659,230 9,672,066 9,672,066 5,487,795 5,487,795 1,060,719 1,060,719 792,448 792,448 853,164 853,164 2,098,499 2,098,499 2,150,662 1,078,931 1,388,483 865,992 925,128 1,046,963 1,046,963 1,192,658 746,825 1,352,519 2,265,058 1,259,995 1,408,578 
        inventory derivative obligation
      17,313,000 16,638,000 16,908,000 15,875,000 12,308,000                                                                         
        current portion of financing lease liabilities
      513,000 484,000 1,025,000 1,022,000 370,000 309,000                                                                        
        environmental remediation accrual
      236,000 164,000 122,000 63,000 63,000 63,000 63,000 63,000 63,000 69,000 69,000 69,000 69,000 69,000 70,000 71,000 71,000 71,000 76,000 76,000 76,000 76,000 90,000 75,000 75,000 72,000 77,000 75,000 75,000 77,000 72,000 72,000 72,000 72,000 79,000 79,000 85,000 85,000 85,000 86,000 86,000 86,000                                    
        total current liabilities
      34,743,000 27,655,000 9,758,000 24,090,000 20,681,000 19,254,000 7,451,000 4,336,000 5,074,000 10,034,000 11,650,000 8,104,000 8,802,000 6,603,000 8,605,000 8,568,000 9,327,000 6,224,000 6,429,000 5,777,000 5,255,000 3,584,000 3,222,000                                                       
        non-current liabilities
                                                                                   
        financing lease liabilities
      1,172,000 1,312,000 1,390,000 1,272,000 1,077,000 931,000                                                                        
        long-term debt
      67,564,000 66,421,000                                                                            
        conversion option derivative
      56,192,000 52,258,000                                                                            
        warrant liability
       1,541,000 9,011,000 2,411,000 324,000 2,529,000 3,646,000 6,564,000 10,913,000 11,549,000 13,075,000 7,879,000 8,232,000 2,382,000 2,559,000 2,996,000 6,186,000 4,236,000 7,677,000 8,486,000 6,095,000 1,415,000 537,000                                                       
        asset retirement obligations
      47,382,000 44,474,000 40,469,000 40,125,000 37,208,000 36,857,000 36,412,000 36,098,000 31,367,000 31,236,000 31,110,000 30,985,000 30,861,000 30,701,000 30,553,000 30,140,000 30,027,000 29,915,000 29,400,000 29,336,000 30,088,000 29,965,000 31,235,000 31,260,000 31,117,000 30,972,000 30,756,000 30,671,000 30,527,000 30,384,000 27,450,000 27,322,000 27,162,000 27,036,000 26,910,000 27,142,000 26,806,000 26,061,000 26,610,000 26,476,000 26,344,000 26,061,000 25,287,000 23,699,000 23,571,000 23,445,000 23,308,000 17,356,000 17,318,000 17,279,000                            
        stock option liabilities
      1,719,000 1,346,000 2,736,000 1,344,000 484,000 1,758,000                                                                        
        total non-current liabilities
      174,029,000 167,352,000 70,514,000 45,152,000 39,093,000 42,075,000 41,006,000 43,484,000 42,920,000 43,472,000 46,204,000 42,093,000 43,700,000 38,793,000 40,184,000 41,561,000 45,974,000 45,229,000 49,410,000 50,138,000 48,646,000 44,150,000 44,526,000                                                       
        shareholders’ equity
                                                                                   
        share capital
      465,857,000 432,761,000 430,219,000 413,930,000 413,930,000 413,242,000 412,606,000 344,298,000 322,213,000 302,182,000 294,869,000 293,601,000 293,611,000 258,646,000 256,797,000 252,182,000 250,946,000 248,319,000 230,024,000 211,128,000 203,037,000 189,620,000 189,250,000                                                       
        contributed surplus
      19,834,000 19,645,000 19,539,000 19,883,000 20,006,000 19,468,000 20,270,000 20,397,000 20,184,000 19,881,000 19,814,000 20,231,000 19,965,000 19,843,000 20,825,000 20,667,000 20,228,000 20,040,000 21,218,000 20,934,000 20,715,000 20,946,000 20,861,000 20,781,000 20,551,000 20,317,000 20,390,000 20,237,000 20,112,000 19,930,000 20,172,000 19,061,000 15,754,000 15,454,000 15,516,000 15,411,000 15,192,000 15,201,000 14,991,000 14,828,000 14,636,000 14,632,000 14,414,000 14,197,000 14,050,000 14,250,000 14,070,000 14,105,000 13,890,000 14,247,000 15,497,125 15,497,125 15,319,895 15,319,895 14,996,895 14,996,895 14,588,758 14,588,758 14,097,979 14,097,979 13,430,209 13,430,209 12,494,357 12,494,357 11,930,691 11,385,311 14,196,853 14,046,089 13,857,921 13,671,699 13,671,699 13,478,113 13,196,533 13,002,048 12,721,559 12,398,247 10,203,241 
        accumulated other comprehensive income
      4,958,000 4,044,000 4,334,000 4,234,000 4,161,000 4,189,000 4,076,000 4,099,000 4,001,000 3,718,000 3,975,000 3,831,000 3,948,000 4,265,000 4,279,000 4,192,000 4,034,000 4,142,000 4,179,000 3,960,000 3,926,000 3,707,000 3,721,000 3,685,000 3,681,000 3,654,000 3,662,000 3,647,000 3,671,000 3,670,000 3,641,000 3,630,000 3,642,000 3,663,000 3,670,000 3,622,000 3,593,000 3,604,000 3,608,000 3,606,000 3,609,000 3,357,000 3,357,000 3,355,000 3,363,000 3,337,000 3,321,000 3,300,000  3,298,000                            
        accumulated deficit
      -407,773,000 -378,998,000 -363,417,000 -335,954,000 -314,998,000 -304,100,000 -284,038,000 -276,036,000 -269,452,000 -250,911,000 -245,439,000 -228,252,000 -220,968,000 -220,255,000 -215,358,000 -210,396,000 -210,043,000 -203,115,000 -203,536,000 -194,428,000 -187,549,000 -180,177,000 -174,956,000                                                       
        total shareholders’ equity
      82,876,000 77,452,000 90,675,000 102,093,000 123,099,000 132,799,000        62,499,000     51,885,000                                                           
        total liabilities and shareholders’ equity
      291,648,000 272,459,000 170,947,000 171,335,000 182,873,000 194,128,000        107,895,000     107,724,000                                                           
        commitments and contingencies
                                                                                   
        current portion of inventory derivative obligation
           14,408,000                                                                        
        prepaid expenses
         1,801,000 1,056,000 1,597,000 2,075,000 1,342,000 1,347,000 1,321,000 1,595,000 1,180,000 1,198,000 1,030,000 1,375,000 1,137,000 1,052,000 894,000 1,195,000 1,060,000 610,000 814,000 943,000 969,000 681,000 885,000 1,102,000 1,054,000 798,000 847,000 967,000 777,000 979,000 741,000 812,000 743,000 1,057,000 829,000 866,000 904,000 1,101,000 916,000 979,000 917,000 1,095,000 856,000 768,000 753,000 808,000 767,000 663,169 663,169 442,507 442,507 436,396 436,396 270,590 270,590 324,057 324,057 67,782 67,782 169,036 169,036 212,774 140,530 160,298 265,164 176,509 101,653 101,653 233,375 185,729 119,485 77,777 140,728 144,365 
        current portion of notes payable
               5,694,000 5,603,000 5,523,000 5,444,000 5,366,000 5,290,000 3,928,000 2,585,000 1,262,000   761,000 459,000 479,000       5,062,000 4,988,000 4,916,000 4,844,000 4,774,000 4,704,000 4,635,000 4,568,000 4,502,000 5,508,000 6,514,000 7,520,000 8,527,000 8,200,000 10,008,000 10,934,000 7,374,000 7,316,000 6,278,000 5,331,000 5,153,000 209,773 209,773 5,385,361 5,385,361 117,090 117,090                      
        current portion of warrant liabilities
                                                                                   
        current portion of lease receivable
            207,000 204,000 78,000 77,000                                                                    
        lease receivable
            598,000 651,000 194,000 208,000                                                                    
        liabilities and shareholders' equity
                                                                                   
        current portion of warrant liability
               1,743,000 2,539,000 692,000 1,373,000   1,149,000 3,077,000 2,027,000 4,175,000 2,146,000 1,979,000 729,000 288,000                                                       
        current portion of lease liability
            281,000 222,000 169,000 162,000 123,000 70,000                                                                  
        lease liability
            948,000 822,000 640,000 687,000 556,000 336,000 303,000 16,000 6,000 9,000 13,000 18,000 22,000 16,000 33,000 50,000 67,000 70,000 83,000 12,000 9,000 10,000 11,000                                                 
        shareholders' equity
                                                                                   
        total shareholders' equity
            152,914,000 92,758,000 76,946,000 74,870,000 73,219,000 89,411,000 96,556,000  66,543,000 66,645,000 65,165,000 69,386,000  41,594,000 40,129,000 34,096,000 38,876,000                                                       
        total liabilities and shareholders' equity
            201,371,000 140,578,000 124,940,000 128,376,000 131,073,000 139,608,000 149,058,000  115,332,000 116,774,000 120,466,000 120,839,000  97,509,000 94,030,000 81,830,000 86,624,000                                                       
        restricted cash
             10,757,000 8,641,000 8,549,000 8,434,000 8,323,000 8,223,000 8,137,000 8,065,000 8,026,000 8,020,000 7,966,000 7,861,000 7,860,000 7,860,000 7,859,000 7,857,000 7,463,000 7,463,000 7,463,000 7,463,000 7,461,000 7,460,000 7,458,000 7,457,000 7,459,000 7,458,000 7,558,000 7,557,000 7,557,000 7,557,000 7,557,000 7,557,000 7,557,000 7,557,000 7,557,000 7,557,000 7,556,000 7,556,000 7,556,000 6,055,000 5,055,000 5,055,000 5,055,000 5,213,201 5,213,201 5,321,388 5,321,388 5,146,469 5,146,469 2,021,089 2,021,089 287,500 287,500 287,500 287,500                
        cash
               59,700,000 54,627,000 67,958,000 77,276,000 33,003,000                                                                
        notes payable
                1,463,000 2,893,000 4,304,000 5,694,000 7,066,000 8,416,000 9,748,000 11,060,000 12,311,000 12,300,000 12,430,000 12,720,000 12,687,000 11,460,000 12,233,000 12,215,000 6,987,000 6,957,000 8,288,000 9,600,000 10,893,000 12,167,000 13,424,000 14,662,000 15,881,000 17,084,000 18,268,000 19,435,000 20,585,000 21,719,000 22,836,000 23,937,000 26,092,000 26,090,000 27,812,000 33,193,000 35,059,000 33,410,000 35,246,000 34,000,000 32,214,754 32,214,754 15,949,435 15,949,435 185,218 185,218                      
        accounts receivable
                5,608,000 41,000 10,000 8,000 4,000 15,000 6,000 4,000 15,000 5,000 2,000  14,000 7,000 6,000 22,000 1,142,000 27,000 27,000 31,000 44,000 37,000 51,000 33,000 7,897,000 14,000 18,000 16,000 3,298,000 2,531,000 12,000 9,000 5,000 12,000 13,000 28,000 6,089,000 7,243,000 4,314,000 5,802,000                            
        current portion of leases payable
                  58,000                                                                 
        assets held for sale
                     1,536,000 1,536,000 1,536,000 1,536,000 2,413,000                                                          
        non-current portion of inventory
                      7,923,000 7,923,000 7,921,000 7,922,000 7,860,000 7,814,000                                                        
        liabilities associated with assets held for sale
                         875,000                                                          
        warrants
                                     1,006,000 4,109,000 4,109,000 4,109,000 4,109,000 4,109,000 4,109,000 4,109,000 4,109,000 4,109,000 4,175,000 4,175,000 4,175,000 4,175,000 4,175,000 4,175,000 4,175,000 4,175,000 4,175,000 3,585,269 3,585,269 2,181,916 2,181,916 61,946 61,946 61,946 61,946 44,271 44,271 44,271 44,271 44,271 44,271 44,271 44,271 37,013           
        ​
                             14,028,000                                                      
        current portion of long term debt
                             1,683,000   5,216,000 5,214,000 5,173,000                                                 
        other liabilities - warrants
                             498,000 256,000 575,000 744,000 1,745,000 1,605,000 1,050,000 1,697,000         5,000 5,000 35,000 32,000 185,000 423,000 376,000 557,000 799,000 1,592,000                             
        class a preferred shares, without par value, unlimited shares authorized; no shares issued and outstanding
                                                                                   
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 160,478,059 at june 30, 2020 and 160,478,059 at december 31, 2019
                             185,754,000                                                      
        deficit
                             -171,260,000 -169,033,000 -165,392,000 -167,507,000 -163,307,000 -161,276,000 -156,974,000 -155,308,000 -152,499,000 -155,090,000 -161,508,000 -158,082,000 -155,079,000 -156,395,000 -161,584,000 -161,688,000 -163,491,000 -161,563,000 -158,574,000 -159,165,000 -158,878,000 -159,903,000 -157,779,000 -155,282,000 -151,782,000 -150,978,000 -149,030,000 -132,611,140 -132,611,140 -129,400,273 -129,400,273 -125,468,646 -125,468,646 -118,749,515 -118,749,515 -114,260,133 -114,260,133   -105,385,137 -105,385,137 -102,221,221 -97,674,852 -90,073,179  -82,263,774 -77,573,506 -77,573,506 -72,433,709 -68,283,394 -62,835,616 -58,840,688 -20,054,075 -16,797,717 
        sales
                             6,934,000                                                      
        cost of sales
                             -6,517,000                                                      
        gross profit
                             417,000                                                      
        operating expenses
                                                                                   
        exploration and evaluation
                             -554,000                                                      
        development
                             -343,000                                                      
        general and administrative
                             -1,187,000                                                      
        accretion of asset retirement obligations
                             -143,000                                                      
        income from operations
                             -1,810,000                                                      
        net interest expense
                             -195,000                                                      
        warrant mark to market adjustment
                             -231,000                                                      
        foreign exchange gain
                             -8,000                                                      
        other income
                             17,000                                                      
        net income for the period
                             -2,227,000                                                      
        loss per common share
                                                                                   
        basic and diluted
                             -10                                                      
        weighted-average number of common shares outstanding
                                                                                   
        comprehensive loss
                                                                                   
        other comprehensive loss, net of tax
                                                                                   
        translation adjustment on foreign operations
                             4,000                                                      
        comprehensive loss for the period
                             -2,223,000                                                      
        long-term inventory
                              6,994,000 7,426,000 7,357,000 2,035,000 8,720,000 12,852,000 12,168,000 9,804,000                                              
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 160,478,059 at march 31, 2020 and 160,478,059 at december 31, 2019
                              185,754,000                                                     
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 160,478,059 at december 31, 2019 and 159,729,403 at december 31, 2018
                               185,754,000                                                    
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 159,947,625 at september 30, 2019 and 159,729,403 at december 31, 2018
                                185,424,000                                                   
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 159,935,563 at june 30, 2019 and 159,729,403 at december 31, 2018
                                 185,411,000                                                  
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 159,729,403 at march 31, 2019 and 159,729,403 at december 31, 2018
                                  185,221,000                                                 
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 159,729,403 at december 31, 2018 and 146,531,933 at december 31, 2017
                                   185,221,000                                                
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 159,147,399 at september 30, 2018 and 146,531,933 at december 31, 2017
                                    184,859,000                                               
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 146,715,824 at june 30, 2018 and 146,531,933 at december 31, 2017
                                     177,221,000                                              
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 146,599,652 at march 31, 2018 and 146,531,933 at december 31, 2017
                                      177,122,000                                             
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 146,531,933 at december 30, 2017 and 143,676,384 at december 31, 2016
                                       177,063,000                                            
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 146,009,205 at september 30, 2017, 2017 and 143,676,384 at december 31, 2016
                                        176,653,000                                           
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 145,873,898 at june 30, 2017 and 143,676,384 at december 31, 2016
                                         176,620,000                                          
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 145,873,898 at march 31, 2017 and 143,676,384 at december 31, 2016
                                          176,620,000                                         
        equity investment
                                             900,000 900,000 1,089,000 1,089,000 1,089,000 1,089,000 1,090,000 1,090,000 1,090,000 1,090,000 1,085,000 1,161,256 1,161,256 1,185,347 1,185,347 2,132,786 2,132,786 2,623,861 2,623,861 2,624,576 2,624,576 2,624,576 2,624,576                
        accrued federal income tax
                                               43,000                                    
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 143,676,384 at december 31, 2016 and 130,188,775 at december 31, 2015
                                           174,902,000                                        
        deferred revenue
                                            2,498,000 5,085,000 5,085,000       1,254,000 2,508,000 2,508,000 5,302,946 5,302,946 5,412,995 5,412,995 5,235,065 5,235,065                      
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 143,605,552 at september 30, 2016 and 130,188,775 at december 31, 2015
                                            174,866,000                                       
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 143,605,552 at june 30, 2016 and 130,188,775 at december 31, 2015
                                             174,897,000                                      
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 143,440,573 at march 31, 2016 and 130,188,775 at december 31, 2015
                                              174,874,000                                     
        deferred income tax liability
                                                3,345,000 3,345,000 3,345,000 3,345,000 3,345,000 3,345,000 3,345,000                             
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 130,188,775 at december 31, 2015 and 129,365,076 at december 31, 2014
                                               168,911,000                                    
        reclamation obligations
                                                85,000 85,000 85,000 85,000 85,000 85,000 85,000 85,000                            
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 130,188,775 at september 30, 2015 and 129,365,076 at december 31, 2014
                                                168,911,000                                   
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 130,184,563 at june 30, 2015 and 129,365,076 at december 31, 2014
                                                 168,907,000                                  
        current deferred financing costs
                                                  191,000 190,000 190,000 190,000 167,000 183,000   1,534,991 1,534,991                        
        deferred financing costs
                                                  668,000 716,000 764,000 812,000 836,000 812,000 5,747,835 5,747,835 2,241,114 2,241,114                        
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 130,048,326 at march 31, 2015 and 129,365,076 at december 31, 2014
                                                  168,749,000                                 
        commitments
                                                                                   
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 129,365,076 at december 31, 2014 and 127,559,743 at december 31, 2013
                                                   168,118,000                                
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 129,284,166 at september 30, 2014 and 127,559,743 at december 31, 2013
                                                    168,038,000                               
        current assets - sum
                                                     11,941,000 13,877,000 10,432,000 8,018,286  14,455,681  7,801,935  29,455,054  36,351,241  36,924,202  28,973,921  31,615,164 34,346,491 34,905,731 40,682,883 38,764,540 43,539,836 43,539,836 49,145,626 53,411,341 59,346,080 65,191,922 66,269,935 73,819,408 
        current liabilities - sum
                                                     9,693,000 9,212,000 8,166,000 6,869,003  15,057,427  5,604,885  1,171,512  1,357,278  1,402,676  2,709,976  2,641,992 1,568,099 2,009,211 1,376,563 1,421,477 1,550,675 1,550,675 1,192,658 746,825 2,432,826 3,256,634  2,120,742 
        common shares, without par value, unlimited shares authorized; shares issued and outstanding: 128,771,376 at june 30, 2014 and 127,559,743 at december 31, 2013
                                                     167,393,000                              
        class a preferred shares, without par value, unlimited shares authorized. no shares issued and outstanding
                                                                                   
        common shares, without par value, unlimited shares authorized. shares issued and outstanding: 128,711,182 at march 31, 2014 and 127,559,743 at december 31, 2013
                                                      167,325,000                             
        accumulated other comprehensive loss
                                                      3,333,000  -4,148,398 -4,148,398 -2,868,081 -2,868,081 -4,894,290 -4,894,290                      
        short-term investments
                                                          10,789 10,789 3,319,934 3,319,934 8,754,162 8,754,162 8,858,627 8,858,627 5,839,238 5,839,238 6,498,733 6,498,733 6,330,613 7,017,151 7,209,416 10,039,926 8,025,845 10,932,101 10,932,101 363,135 25,917,345 37,156,808 39,174,200 36,933,110 51,787,722 
        deposits
                                                        1,366,340 1,366,340 1,394,695 1,394,695 1,353,940 1,353,940 1,308,587 1,308,587                    
        deferred income taxes
                                                       3,345,000                            
        other liabilities
                                                       1,374,000                            
        capital stock
                                                                        148,763,479 148,763,453 144,053,337 144,053,337 144,053,337 144,053,337 144,805,960 144,805,960 144,396,460 142,947,995 142,947,995 
        common shares, without par value, unlimited shares authorized. shares issued and outstanding: 127,559,743 at december 31, 2013 and 121,134,276 at december 31, 2012
                                                       165,974,000                            
        amounts receivable
                                                        81,494 81,494 43,181 43,181 28,032 28,032 14,884 14,884 10,811 10,811 24,894 24,894 28,718 28,718 25,879 26,814 31,854 28,954 15,472 19,509 19,509 57,307 70,143 68,532 132,710 131,346 161,445 
        asset retirement and reclamation obligations
                                                        7,171,257 7,171,257 2,846,231 2,846,231 2,190,736 2,190,736                      
        common shares, without par value, unlimited shares authorized. shares issued and outstanding: 122,466,648 at september 30, 2013 and 121,134,276 at december 31, 2012
                                                        178,480,170 178,480,170                          
        common shares, without par value, unlimited shares authorized. shares issued and outstanding: 122,368,806 at june 30, 2013 and 121,134,276 at december 31, 2012
                                                          178,345,610 178,345,610                        
        going concern
                                                                                   
        measurement uncertainty
                                                                                   
        common shares, without par value, unlimited shares authorized. shares issued and outstanding: 121,368,806 at march 31, 2013 and 121,134,276 at december 31, 2012
                                                            177,565,610 177,565,610                      
        current portion of long-term debt
                                                              110,793 110,793                    
        notes payable - long-term
                                                              236,198 236,198                    
        asset retirement obligation
                                                              492,934 492,934 564,830 564,830 549,512 549,512 611,477 611,477 491,330 489,168 620,728 510,571 496,349 503,712 503,712 537,620 557,192 602,307 513,576 280,522 273,199 
        common shares, without par value, unlimited shares authorized. shares issued and outstanding: 121,093,668 at september 30, 2012 and 103,675,444 at december 31, 2011
                                                              177,087,857 177,087,857                    
        common shares, without par value, unlimited shares authorized. shares issued and outstanding: 121,075,431 at june 30, 2012 and 103,675,444 at december 31, 2011
                                                                177,063,521 177,063,521                  
        common shares, without par value, unlimited shares authorized. shares issued and outstanding: 121,062,734 at march 31, 2012 and 106,675,444 at december 31, 2011
                                                                  177,051,153 177,051,153                
        bonding and other deposits
                                                                    2,788,708 2,788,708 2,572,510 2,560,733 3,956,879 2,900,732 2,819,176 2,920,835 2,920,835 3,022,187 3,584,025 3,891,753 2,578,825 2,080,763 1,721,704 
        property and equipment
                                                                    3,493,013 3,493,013 3,501,863 3,514,507            
        equity investments
                                                                    2,936,459 2,936,459 2,936,459 2,936,459 2,769,117 2,769,117 2,769,117 2,769,117 2,769,117       
        common shares, without par value, unlimited shares authorized. shares issued and outstanding: 103,675,444 at september 30, 2011 and 101,998,012 at december 31, 2010
                                                                    160,432,843 160,432,843              
        common shares, without par value, unlimited shares authorized. shares issued and outstanding: 103,600,853 at june 30, 2011 and 101,998,012 at december 31, 2010
                                                                      160,333,915             
        common shares, without par value, unlimited shares authorized. shares issued and outstanding: 103,437,680 at march 31, 2011 and 101,998,012 at december 31, 2010
                                                                       160,104,267            
        future income tax liability
                                                                             478,000 478,000 478,000 478,000 438,965 438,965 
        construction in progress
                                                                             1,435,594 727,636 380,912 323,093   
        investments
                                                                             2,769,117      
        mineral exploration properties
                                                                                 31,682,244 31,581,785 
        deferred exploration and development expenditures
                                                                                 35,494,801 29,660,907 
        shareholders’ equity - sum
                                                                                 135,292,167 136,353,519 
                                                                                   
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-05-14 2012-07-27 2012-04-27 2011-03-31 2010-06-30 2010-03-31 2010-03-11 2009-12-31 2009-06-30 2009-03-31 2008-12-31 2008-09-30 
                                                                      
          operating activities
                                                                      
          net income
        -28,775,000 -15,581,000 -27,463,000 -20,956,000 -10,898,000                                                          
          adjustments to reconcile net loss to net cash from operating activities:
                                                                      
          stock based compensation
        623,000 -321,000 1,680,000 703,000 -158,000 1,422,000 316,000 325,000 324,000 247,000 260,000 266,000 253,000 178,000 239,000 464,000 261,000 301,000 289,000 259,000 231,000 258,000                             366,614 673,654 711,697 637,238 191,620 186,222 950,874 668,560 194,485 280,489 3,027,025 344,439 
          net realizable value adjustments
         7,000 98,000 2,598,000   200,000 1,139,000 2,531,000 2,332,000 2,951,000 2,875,000 1,822,000 1,655,000 1,662,000 1,722,000 1,789,000 1,703,000 1,835,000 1,673,000 1,506,000                                         
          amortization of mineral properties
        902,000 658,000 671,000 271,000 271,000 182,000 167,000 60,000 -22,000 -14,000 204,000 311,000 313,000 311,000 312,000 312,000 312,000 520,000 508,000 508,000 509,000 595,000                                         
          depreciation of capital assets
        1,012,000 1,078,000 1,049,000 964,000 728,000 756,000 724,000 652,000 603,000 621,000 573,000 500,000 473,000 406,000 453,000 453,000 456,000 453,000 444,000 446,000 446,000 453,000                            60,197 79,043 106,146 107,922 121,410         
          accretion of asset retirement obligations
        429,000 343,000 344,000                        144,000 144,000 143,000 128,000 128,000 126,000 126,000 126,000 135,000 134,000 132,000 135,000 134,000 132,000 133,000                      
          amortization of debt discount
        1,459,000                                                              
          provision for reclamation
        72,000 42,000    -6,000     -1,000        -14,000                            -214     7,293 75,526 61,096  88,731   
          mark to market loss
        6,363,000 -3,042,000 7,854,000 5,622,000 -4,310,000    2,756,000    -1,867,000 -215,000 295,000 -4,888,000 2,973,000 -5,386,000 5,060,000 2,920,000 3,404,000 1,272,000                                         
          loss on disposal of assets
        -689,000                                                              
          unrealized foreign exchange gain
        -21,000 7,000 -6,000 26,000 1,000   -4,000 -12,000                                                      
          changes in non-cash working capital:
                                                                      
          trade receivables
        -20,000 2,083,000 -2,076,000 -7,000 16,511,000 -16,484,000 2,000                                                        
          inventory
        -3,735,000 -5,119,000 1,718,000 2,491,000 -5,340,000 -20,442,000 106,000 -576,000 -3,266,000 -401,000 -758,000 -2,951,000 753,000 -1,822,000 -3,635,000 -1,662,000 -1,722,000 -1,791,000 -1,702,000 -1,897,000 -1,719,000 -1,701,000 -1,974,000 -2,326,000 -2,189,000 -2,143,000 -2,316,000 1,722,000 -260,000 -2,524,000 -2,364,000 -2,806,000 -2,483,000 -2,795,000 5,731,000 -1,690,000 -1,652,000 -705,000 1,485,000 1,045,000 -2,590,000 1,513,000 -973,000 818,000 465,000 -1,867,000 -1,100,000 1,715,000 -1,863,000 -345,720             
          lease receivables
        109,000 351,000 156,000 158,000 105,000                                                          
          prepaid expenses and other current assets
        -925,000 1,469,000                                                             
          accounts payable and accrued liabilities
        6,707,000 -1,349,000 1,368,000 -1,005,000 2,456,000 -913,000 1,165,000 -766,000 2,612,000 -1,114,000 1,523,000 -31,000 613,000 -2,077,000 -175,000 -174,000 730,000 291,000 -107,000 241,000 119,000 -46,000 118,000 -38,000 74,000 -86,000 -186,000 -1,326,000 1,402,000 -305,000 -149,000 -1,299,000 1,047,000 -245,000 -596,000 -982,000 1,217,000 -1,046,000 126,000 -580,000 697,000 -748,000 788,000 -182,000 11,000 -422,000 1,610,000 -601,000 1,149,000 420,842 -224,310 -32,975  270,430 -260,565 -108,707 -1,090,163 -1,632,805 -562,625 -912,539 47,956 966,308 
          net cash from operating activities
        -16,489,000 -18,785,000 -15,046,000 -12,102,000 2,806,000                                                          
          capital expenditures
                                                                 
          free cash flows
        -16,489,000 -18,785,000 -15,046,000 -12,102,000 2,806,000                                                          
          investing activities
                                                                      
          proceeds from sale of capital assets
        136,000                                                             
          purchase of capital assets
        -12,299,000 -9,384,000 -5,344,000 -5,064,000 -3,828,000 -3,345,000 -3,848,000 -1,010,000 -843,000 -116,000 -737,000 -521,000 -665,000 -496,000 -128,000 -25,000 -60,000 -1,127,000 -24,000   -5,000 -4,000 -16,000 -18,000 -96,000 -50,000 -114,000 -11,000 -6,000 -5,000 2,000 -46,000 -8,000 -66,000 -97,000 -10,000 -15,000 -98,000 -113,000 -70,000 -34,000 -19,000 -24,000 -93,000 -33,000 -13,000 -297,000 10,283,341 -9,591,269 -416,064   -577,870 -152,396 -1,317,221 -1,255,778 -50,772 -70,895 -913,223 321,752 
          net cash from investing activities
        -12,163,000 -9,384,000 -5,344,000 -5,064,000 -3,828,000                                                          
          financing activities
                                                                      
          convertible notes financing costs
        -206,000                                                              
          proceeds from exercise of warrants and stock options
        28,734,000 1,181,000 368,000 205,000 173,000 877,000 149,000 11,202,000 617,000 672,000 -1,000 298,000 443,000 2,858,000 56,000 365,000 685,000 5,463,000 920,000 1,439,000                             189,837  10,950 15,510 3,156,366 6,541  1,393      
          rsu redeemed for cash
        -35,000 -49,000 -60,000     12,000            6,000                                         
          payments on financing lease liability
        -125,000                                                              
          net cash from financing activities
        28,368,000 100,077,000 14,938,000 -74,000 -11,000                                                          
          effects of foreign exchange rate changes on cash
        635,000 33,000 -1,000 112,000 -58,000 -63,000 31,000 -17,000 -48,000 38,000 -16,000   22,000 -98,000 -54,000 22,000 26,000 -34,000 18,000 35,000 3,000 52,000 8,000 -10,000 9,000 -11,000 23,000 41,000 -93,000 4,000 -6,000 -15,000 4,000   36,000 -278,000 -52,000 266,000  -10,000   -7,000 -6,000 87,000 -103,000 -28,442 -850 265,042  -709,936 580,640 -748,914 -2,680,324 -2,003,150 -1,077,081    
          increase in cash and cash equivalents, and restricted cash and cash equivalents
        351,000 71,941,000 -5,453,000 -17,128,000 -1,091,000                                                          
          beginning cash and cash equivalents, and restricted cash and cash equivalents
        135,347,000 87,078,000                                                          
          ending cash and cash equivalents, and restricted cash and cash equivalents
        135,698,000 71,941,000 -5,453,000 -17,128,000 85,987,000                                                          
          borrowed inventory included in cost of sales
                                                                      
          payment of deposit on borrowed inventory
                                                                      
          loss on sale of assets
         130,000 76,000 -5,000 24,000                                                          
          issuance of common shares for cash
         815,000     70,922,000 22,419,000 4,227,000                                                    
          share issue costs
         -20,000    -3,877,000 -700,000 -106,000 -163,000 -88,000 -2,914,000 -11,000 -30,000 -53,000 -410,000 -253,000 -218,000 -1,307,000 -2,000        -171,000    -33,000 -17,000 -43,000 -4,000 -113,000 -159,000 -608,000     -93,000 43,000   -54,282   -221,776        
          proceeds from convertible notes issuance
                                                                      
          purchase of capped call
                                                                      
          changes in financial lease liability
                                                                      
          repayment of long-term debt
                                                                      
          amortization of deferred loan costs
             33,000 10,000 11,000 11,000 11,000 9,000 12,000 11,000 11,000 14,000 8,000 12,000 12,000 13,000 23,000 18,000 17,000 17,000 31,000 30,000 30,000 30,000 31,000 31,000 29,000 29,000 31,000 31,000 29,000 38,000 39,000 38,000 37,000 39,000 44,000                    
          principal payments on finance lease liabilities
          -219,000                                                            
          repayment of debt
             86,000 -46,000 -5,767,000 -1,382,000 -1,361,000 -1,342,000 -1,324,000             1,000 -1,286,000 -1,269,000 -1,250,000 -1,232,000 -1,215,000 -1,198,000 -1,180,000 -1,164,000 -1,148,000 -1,131,000 -2,193,000 -2,178,000 -2,161,000 -2,147,000 -1,865,000 -1,851,000 -1,836,000 -1,822,000 -1,807,000 -813,000 -889,000 -76,000 -31,062,290             
          prepaid expenses
           -743,000 541,000 -874,000 644,000 110,000 -131,000 387,000 -415,000 18,000 -168,000 345,000 -238,000 -85,000 -158,000 301,000 -135,000 -450,000 204,000 129,000 9,000 -178,000 111,000 63,000 116,000 -157,000 -17,000 22,000 69,000 -273,000 87,000 -11,000 165,000 -132,000 87,000 -25,000 258,000 -272,000 -72,000   -297,000 67,000 -44,000 166,000 188,000 -51,000 -957,182 -238,369 -252,619 29,265 -43,546 9,728 -78,913 -46,734 10,704 -74,927 -41,708 -19,926 67,691 
          issuance of common shares and warrants for cash
                 6,505,000 46,637,000 462,000 1,185,000 2,128,000 16,561,000 10,113,000 6,930,000 15,237,000 125,000              1,169,000 107,000 6,461,000            17,250,000  5,000,000        
          accretion expense
            277,000 242,000 231,000 166,000 121,000 126,000 124,000 125,000 122,000 121,000 114,000 113,000 112,000 121,000 119,000 123,000 123,000 143,000                     129,000 128,000 126,000                  
          change in finance lease liabilities
            -156,000                                                          
          net loss
                                                                      
          lease receivable
             -676,000 50,000 -583,000 13,000                                                      
          net loss for the period
              -8,002,000 -6,584,000 -18,541,000   -7,284,000 -713,000 -4,897,000 -4,962,000 -353,000 -6,928,000       -2,227,000 -3,641,000              1,803,000 -1,928,000 -2,989,000  -287,000 1,025,000 -2,124,000  -3,500,000 -804,000 -1,948,000  -3,079,488 -2,540,322  -4,606,374 -2,074,241 -4,690,268 -18,732,818 -14,582,503 -5,447,778 -3,994,928 -14,597,227 -747,852 
          items not affecting cash:
                                                                      
          inventory net realizable value adjustments
                                                                      
          warrant liability revaluation loss
                                                                      
          gain on sale of capital assets
                                                                      
          foreign exchange gain
                                                                      
          investing activities - sum
              -3,848,000 -1,010,000 -843,000  -737,000 -521,000 -665,000 -496,000 -128,000   -1,127,000 -24,000   -5,000 1,000                         -17,000 -358,000  -9,496,252 -1,643,664  -1,252,196 -2,672,004 2,400,386 26,299,819 1,153,478 10,098,159 484,607 -795,881 62,492,034 
          rsus redeemed for cash
                                                 1,000 -84,000 -59,000 -66,000 -24,484 -38,906            
          financing activities - sum
              67,952,000 21,822,000 9,556,000  -770,000 -1,431,000 42,697,000 -616,000 2,858,000 1,211,000 2,440,000 16,547,000 15,323,000   228,000 4,206,000                           13,966,043 -28,224 -43,332     1,393      
          increase in cash, cash equivalents, and restricted cash and cash equivalents
                                                                      
          beginning cash, cash equivalents, and restricted cash and cash equivalents
                                                                      
          ending cash, cash equivalents, and restricted cash and cash equivalents
                                                                      
          cash from:
                                                                      
          mark to market gain
                                                                      
          gain on sale of assets
                                                               -1,073,635 -1,077,067    
          increase in cash, cash equivalents, and restricted cash
               9,534,000 -5,712,000 5,188,000 -13,220,000 -9,218,000 44,359,000   -3,042,000 180,000 12,881,000 11,923,000 3,896,000 13,328,000 -2,373,000                                         
          beginning cash, cash equivalents, and restricted cash
               68,249,000 41,140,000 54,155,000 12,127,000                                         
          ending cash, cash equivalents, and restricted cash
               9,534,000 62,537,000 5,188,000 -13,220,000 -9,218,000 85,499,000   -3,042,000 54,335,000 12,881,000 11,923,000 3,896,000 25,455,000 -2,373,000                                         
          cash provided by:
                                                                      
          net income for the year
                          -9,503,000 -6,879,000 -7,372,000                                          
          gain on loan forgiveness
                         -3,000 3,000                                            
          benefit from reclamation
                                                                      
          net income for the period
                                 2,115,000 -4,200,000 -2,031,000 -4,302,000 -1,666,000 -2,809,000 2,591,000 6,418,000 -3,426,000 -3,003,000 1,316,000 5,189,000                          
          unrealized foreign exchange loss
                    -336,000 2,000 -20,000 -18,000 11,000 3,000 -19,000 73,000 296,000                                          
          accounts receivable
                  -5,567,000 -31,000 -2,000   -9,000 -2,000 11,000 -10,000 -3,000 -2,000 14,000 -6,000 -2,000 16,000 1,120,000 -1,115,000 4,000 13,000   -18,000 7,864,000 -7,883,000    -766,000   -3,000 7,000 15,000 6,060,000 1,153,000 -2,929,000 1,488,000              
          warrant liability revaluation gain
                                                                      
          proceeds from debt financing
                                                   3,500,000 1,500,000 37,300,275             
          increase in cash, cash equivalents, and restricted cash from above
                                                                      
          write-off of mineral properties
                                                  61,000 329,000   1,160,196       102,439 107,062 43,501 63,561   
          mineral property costs
                                     -16,000 -1,000 -14,000 -8,000            -6,000 -1,000 -1,000 -57,000 -4,605,992  -8,960  -108,862 -290,144 -181,541 -497,761 -506,587 -74,055    
          decrease in bonding and other deposits
                                                             1,193,459 -773 17,997       
          loss from equity investment
                                                                      
          gain on sale of monetized contract
                                                                      
          gain on unrealized foreign exchange
                                                                      
          proceeds from sale of monetized contract
                                                                      
          funding of equity investment
                                                       -3,000 -4,000  -349            
          lease principal payments
                                                                      
          cash from
                                                                      
          stock based expense
                               230,000 234,000 233,000 184,000 182,000 188,000 188,000 161,000 236,000 330,000 186,000 199,000 219,000 287,000 254,000 163,000 231,000 209,000 218,000 218,000 269,000 188,000 208,000 189,000 238,000 293,000              
          loss from net realizable value adjustments
                               2,174,000 2,282,000 2,074,000                                     
          depreciation and amortization
                               1,053,000 1,111,000 1,107,000 1,105,000 1,103,000 1,098,000 902,000 896,000 899,000 906,000 1,080,000 1,272,000 1,251,000 1,287,000 1,292,000 1,296,000 1,299,000 1,257,000 1,150,000 1,619,000 1,873,000 1,862,000 1,690,000 2,115,000 1,899,000 1,939,000              
          accretion of asset retirement obligations and reclamation
                               143,000 145,000                                      
          warrants mark to market gain
                               231,000 -273,000 -181,000    -570,000        -5,000 -31,000 4,000    -160,000 -210,000                
          gain on disposition of assets
                                             28,000 -5,000 -37,000                      
          gain on foreign exchange
                               8,000 -15,000 -5,000 5,000 -10,000 -18,000                                  
          other loss
                               3,000       -1,000    -1,000 3,000   3,000   -1,000 1,000   14,663 375 11,625  51,375 12,000 750 -13,250 -8,000 -10,500 -6,500 21,748 33,250 
          change in non-cash working capital items:
                                                                      
          increase in other deposits
                                                                      
          proceeds from sale of property and equipment
                                             33,000 58,000 9,000                     
          proceeds from exercise of stock options
                                 60,000 9,000   43,000 134,000 71,000 42,000 193,000 1,000 348,000 9,000 2,000 106,000 302,000 49,000 419,000 45,000 834,000              
          rsus redeemed to pay withholding or paid in cash
                                 -36,000    -64,000 1,000 -13,000 -26,000 -16,000 -52,000                          
          net change in cash, cash equivalents and restricted cash
                               -27,000 -2,158,000 4,392,000 -3,174,000 2,621,000 -2,454,000 -5,248,000 4,089,000 -1,638,000 5,190,000 1,734,000 -5,174,000                            
          beginning cash, cash equivalents and restricted cash
                               15,215,000 13,830,000 11,437,000                            
          ending cash, cash equivalents and restricted cash
                               -27,000 13,057,000 4,392,000 -3,174,000 2,621,000 11,376,000 -5,248,000 4,089,000 -1,638,000 16,627,000 1,734,000 -5,174,000                            
          decrease in other deposits
                                                                     
          gain on assignment of contract
                                                                      
          proceeds from assignment of contract
                                                                      
          loss from net realizable value adjustments to inventory
                                                                      
          warrants mark to market loss
                                   105,000 533,000               -248,000 77,000                  
          write off of equity investments
                                                                      
          gain on monetization of contract
                                                                    
          loss on foreign exchange
                                         -6,000 41,000   -1,000                         
          income tax recovery
                                                                      
          proceeds from monetization of contract
                                                                    
          recognition of gain on deferred contract
                                                                      
          proceeds from assignment of sales contract
                                              5,085,000         -2,675,640             
          net change in cash and cash equivalents
                                            6,841,000 -1,409,000 486,000 -4,842,000 5,874,000 -2,184,000 -224,000 1,669,000 -922,000 -268,000 1,818,000 -3,118,000 3,045,000 -4,601,515 -7,486,452 -3,822,917 14,516,559 -1,598,819 -185,875 -1,939,109 6,657,588 -14,590,847 5,226,369 -3,820,980 -7,834,647 63,034,230 
          beginning cash and cash equivalents
                                            9,109,000 1,443,000 3,104,000 1,627,000 35,725 11,500,275 30,686,038 16,169,479 28,718,815 30,518,214 32,457,323 25,799,735 -1,405,389     
          ending cash and cash equivalents
                                            15,950,000 -1,409,000 486,000 -4,842,000 7,317,000 -2,184,000 -224,000 1,669,000 2,182,000 -268,000 1,818,000 -3,118,000 4,672,000 -4,565,790 4,013,823 26,863,121 30,686,038 27,119,996 30,332,339 30,518,214 32,457,323 -15,996,236     
          net loss for the year
                                                                      
          rsus redeemed to pay withholding
                                                                      
          accrued income taxes
                                             30,000                      
          increase in restricted cash
                                                     -1,500,000                 
          cost of debt financing
                                                     -99,000 1,000 -37,000 2,294,221             
          total interest paid
                                                          3,436            
          total taxes paid
                                                                      
          write off of investments
                                              900,000 189,000         5,652             
          deferred revenue recognized
                                                                      
          non-cash interest expense
                                                      253,000 39,000 38,000              
          non-cash exploration costs
                                                                -907,055      
          purchase of short-term investments
                                                          -25,688 -6,784,967  -2,218,974 -7,518,724 -6,468,703 -37,206,445 -36,905,692 -25,674,968    
          sale of short-term investments
                                                         152,345 3,146,350 3,836,118 2,586,261 308,471 5,715,507 9,185,029 64,971,242 39,116,279 36,228,213 2,499,200 49,989,021  
          deposit for pathfinder acquisition
                                                                      
          payments to/from venture partner
                                                                      
          foreign exchange loss
                                                          -40 -380,547 385,120 784,197 -841,829 988,296 3,506,180 2,691,925 1,933,051   -3,403 
          loss on disposition of assets
                                                         -431 1,409            
          deferred revenue realized
                                                                      
          gain from fulfillment of assigned sales contract
                                                                      
          non-cash financing and investing activities:
                                                                      
          common shares issued for properties
                                                                452,250 409,500     
          write-off of investments
                                                                      
          warrant mark to market loss
                                                        263,000              
          cash from operating activities
                                                                      
          non-cash borrowing costs
                                                                      
          decrease in restricted cash
                                                         71,717 -3,025,296 1,730,209 514,204          
          depletion of mineral properties
                                                                      
          loss on equity investment
                                                          240  31,831          
          amounts receivable
                                                          -11,334 14,075  -7,783 -13,123 3,716 107,230 97,121 -5,841 64,178 738,565 -56,841 
          mineral property acquired in asset exchange
                                                            970,320          
          warrants issued in conjunction with debt financing
                                                                      
          proceeds from assignment of sales contracts
                                                          5,183,640            
          payment of long-term obligations
                                                          -28,224            
          cash provided by
                                                                      
          decrease (increase) in restricted cash
                                                                      
          payments from venture partner
                                                                146,806      
          rsus redeemed for cash in lieu of shares
                                                                      
          payment of new frontiers obligation
                                                                      
          amortization of capital assets
                                                              97,132 101,030 526,551 400,731 135,925 153,129 412,287 -39,196 
          other expenses
                                                                      
          purchase of property and equipment
                                                             -426,290         
          other incomes
                                                                      
          decrease (increase) in bonding and other deposits
                                                                -879,758 -1,232,464 16,465   -135,097 
          future income taxes
                                                                -368,445 429,055     
          proceeds from sale of data base and capital assets
                                                                1,082,956      
          construction in progress
                                                                  -346,724 -57,819   
          proceeds from exercise of warrants, compensation
                                                                      
          options and stock options
                                                                      
          cash and cash equivalents - beginning of period
                                                                  21,978,755 25,799,735 4,586,881 -55,712,605 
          cash and cash equivalents - end of period
                                                                  27,205,124    
          mineral properties
                                                                   -91,143   
          purchase of short- term investments
                                                                   -481,808 -54,028,812 39,987,547 
          increase in bonding and other deposits
                                                                   -1,312,928   
          proceeds from sale of assets
                                                                     
          issuance of common shares and warrants
                                                                      
          proceeds from exercise of warrants, compensation options and stock options
                                                                      
          cash and cash equivalents- end of period
                                                                   21,978,755 -3,247,766 7,321,625 
          non-cash financing and investing activities: common shares issued for properties
                                                                   409,500   
          write-off of deferred exploration expenditures
                                                                      
          recovery of future income taxes
                                                                      
          mineral exploration property costs
                                                                     -460,182 
          deferred exploration and development expenditures
                                                                     -3,903,117