7Baggers

Pulmatrix, Inc
(NASDAQ:PULM) 

PULM stock logo

Pulmatrix, Inc., a clinical stage biopharmaceutical company, discovers and develops inhaled therapies to prevent and treat respiratory and other diseases with unmet medical needs in the United States. The company focuses on developing products based on its inhaled Small Particles Easily Respirable a...

Founded: 2003
Full Time Employees: 22
Sector: Healthcare
Industry: Biotechnology
Pharmaceuticals
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At a glance:
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Income 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 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 
                                                    
      operating expenses:
    		                                                
      research and development
    		3,000 -3,000 8,000 14,000 19,000 6,000 814,000 2,834,000 3,512,000 3,516,000 3,963,000 4,165,000 3,874,000 4,467,000 5,287,000 4,337,000 4,149,000 2,959,000 4,026,000 4,541,000 3,265,000 3,873,000 3,184,000 5,287,000 4,208,000 3,297,000 3,164,000 2,176,000 2,676,000 3,056,000 4,013,000 3,221,000 2,589,000 2,618,000 3,363,000 1,672,000 2,774,000 1,507,000 2,441,000 3,430,000 2,466,000 2,193,000 1,610,000 254,000 619,000 629,000 676,000  
      general and administrative
    		1,289,000 911,000 858,000 1,534,000 1,828,000 1,949,000 2,209,000 2,001,000 1,626,000 911,000 1,729,000 1,670,000 2,210,000 1,566,000 1,685,000 1,553,000 1,974,000 1,540,000 1,656,000 1,562,000 1,409,000 1,776,000 1,490,000 2,212,000 1,589,000 1,785,000 3,128,000 1,987,000 1,588,000 1,769,000 2,115,000 2,046,000 1,840,000 2,021,000 2,066,000 1,640,000 1,842,000 1,550,000 2,214,000 2,409,000 2,103,000 3,119,000 9,879,000      
      total operating expenses
    		1,292,000 908,000 866,000 1,548,000 1,847,000 1,955,000 3,023,000 7,453,000 5,138,000 4,427,000 5,692,000 5,835,000 6,084,000 6,033,000 6,972,000 5,890,000 6,123,000 4,499,000 9,259,000 6,103,000 4,674,000 5,649,000 4,674,000 7,499,000 5,797,000 5,082,000 12,766,000 4,957,000 4,264,000 4,825,000 6,128,000 5,267,000 4,429,000 4,639,000 5,429,000 3,312,000 7,575,000 3,057,000 9,230,000 5,839,000 4,569,000 5,312,000 11,489,000 1,558,000 1,716,000 1,715,000 1,719,000  
      income from operations
    		-1,292,000 -908,000 -866,000 -1,548,000 -1,847,000 -1,952,000 -2,657,000 -5,901,000 747,000 -2,225,000 -3,939,000 -3,991,000 -4,585,000 -4,325,000 -5,100,000 -4,559,000 -4,963,000 -4,043,000 -8,190,000 -3,849,000 -2,674,000 -1,277,000 -1,174,000 -4,737,000 -4,112,000 -3,676,000 -7,947,000 -4,957,000 -4,264,000 -4,825,000 -6,128,000 -5,114,000 -4,429,000 -4,304,000 -5,429,000 -3,312,000 -7,458,000 -2,996,000 -8,970,000 -5,443,000 -4,294,000 -4,661,000 -11,319,000 -1,558,000 -1,716,000 -1,715,000 -1,719,000  
      yoy
    		-30.05% -53.48% -67.41% -73.77% -347.26% -12.27% -32.55% 47.86% -116.29% -48.55% -22.76% -12.46% -7.62% 6.98% -37.73% 18.45% 85.60% 216.60% 597.61% -18.75% -34.97% -65.26% -85.23% -4.44% -3.56% -23.81% 29.68% -3.07% -3.73% 12.11% 12.88% 54.41% -40.61% 43.66% -39.48% -39.15% 73.68% -35.72% -20.75% 249.36% 150.23% 171.78% 558.46%      
      qoq
    		42.29% 4.85% -44.06% -16.19% -5.38% -26.53% -54.97% -889.96% -133.57% -43.51% -1.30% -12.96% 6.01% -15.20% 11.87% -8.14% 22.76% -50.63% 112.78% 43.94% 109.40% 8.77% -75.22% 15.20% 11.86% -53.74% 60.32% 16.25% -11.63% -21.26% 19.83% 15.47% 2.90% -20.72% 63.92% -55.59% 148.93% -66.60% 64.80% 26.76% -7.87% -58.82% 626.51% -9.21% 0.06% -0.23%   
      operating margin %
    		-Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -65066.67% -725.96% -380.22% 12.69% -101.04% -224.70% -216.43% -305.87% -253.22% -272.44% -342.52% -427.84% -886.62% -766.14% -170.76% -133.70% -29.21% -33.54% -171.51% -244.04% -261.45% -164.91% NaN% -Infinity% NaN% NaN% -3342.48% -Infinity% -1284.78% NaN% NaN% -6374.36% -4911.48% -3450.00% -1374.49% -1561.45% -715.98% -6658.24% -Infinity% -Infinity% -Infinity% -Infinity%  
      other income:
    		                                                
      interest income
    		12,000 20,000 30,000 41,000 53,000 73,000 101,000 133,000 160,000 192,000 217,000 236,000 222,000 191,000 102,000 15,000 1,000 1,000 1,000 2,000 4,000 13,000 13,000 52,000 74,000 121,000                  4,000 4,000 5,000 4,000  
      fair value adjustment of warrants
    		   1,000 66,000                                            
      other income
    		108,000             -29,000 -54,000   -5,500 5,000  -2,500  -9,000  -500  103,000 1,000 -6,000 9,000 20,000 -1,000 2,000 5,000 4,000 16,000 17,000 64,000 7,000    29,000      
      total other income
    		120,000 -20,000 -11,000 -1,000 39,000 -34,000 70,000 90,000 78,000 142,000 165,000 175,000 137,000 109,000 48,000  -10,000                           4,000 4,000 5,000 4,000  
      net income
    		-1,172,000 -928,000 -877,000 -1,549,000 -1,808,000 -1,986,000 -2,587,000 -5,811,000 825,000 -2,083,000 -3,774,000 -3,816,000 -4,448,000 -4,216,000 -5,052,000 -4,595,000 -4,973,000 -4,031,000 -8,184,000 -3,852,000 -2,899,000 -10,553,000 -1,170,000 -4,686,000 -4,041,000 -3,555,000 -7,844,000 -5,156,000 -4,338,000 -4,816,000 -6,188,000 -5,221,000 -4,524,000 -4,452,000 -5,597,000 -3,483,000 -9,830,000 -3,157,000 -9,187,000 -5,669,000 -4,536,000 -4,932,000 -14,897,000 -1,554,000 -1,712,000 -1,710,000 -1,715,000  
      yoy
    		-35.18% -53.27% -66.10% -73.34% -319.15% -4.66% -31.45% 52.28% -118.55% -50.59% -25.30% -16.95% -10.56% 4.59% -38.27% 19.29% 71.54% -61.80% 599.49% -17.80% -28.26% 196.85% -85.08% -9.12% -6.85% -26.18% 26.76% -1.24% -4.11% 8.18% 10.56% 49.90% -53.98% 41.02% -39.08% -38.56% 116.71% -35.99% -38.33% 264.80% 164.95% 188.42% 768.63%      
      qoq
    		26.29% 5.82% -43.38% -14.33% -8.96% -23.23% -55.48% -804.36% -139.61% -44.81% -1.10% -14.21% 5.50% -16.55% 9.95% -7.60% 23.37% -50.75% 112.46% 32.87% -72.53% 801.97% -75.03% 15.96% 13.67% -54.68% 52.13% 18.86% -9.93% -22.17% 18.52% 15.41% 1.62% -20.46% 60.69% -64.57% 211.37% -65.64% 62.06% 24.98% -8.03% -66.89% 858.62% -9.23% 0.12% -0.29%   
      net income margin %
    		-Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -66200.00% -706.83% -374.42% 14.02% -94.60% -215.29% -206.94% -296.73% -246.84% -269.87% -345.23% -428.71% -883.99% -765.58% -170.90% -144.95% -241.38% -33.43% -169.66% -239.82% -252.84% -162.77% NaN% -Infinity% NaN% NaN% -3412.42% -Infinity% -1328.96% NaN% NaN% -8401.71% -5175.41% -3533.46% -1431.57% -1649.45% -757.60% -8762.94% -Infinity% -Infinity% -Infinity% -Infinity%  
      net income per share
    		-0.32 -0.25 -0.24 -0.42 -0.5 -0.55 -0.71 -1.59 0.23 -0.57 -1.03 -1.04 -1.22 -1.14 -1.45 -1.36 -1.51 -8.33 -0.15 -0.07 -0.05 -0.31 -0.05 -0.23 -0.16 -0.18 -0.41 -0.74 -4.56 -0.1 -0.13 -0.24 -0.21 -0.22 -0.29 -0.21 -0.66 -0.21 -0.62 -0.38 0.46 -0.34 -2.66      
      weighted-average common shares outstanding – basic and diluted
    		3,652,285 3,652,285 3,652,285 3,652,285 3,652,285 3,652,285 3,652,285 3,652,285  3,651,911 3,652,285 3,652,285   3,478,157 3,372,090                                 
      revenues
    		     3,000 366,000 1,552,000 5,885,000 2,202,000 1,753,000 1,844,000 1,499,000 1,708,000 1,872,000 1,331,000 1,160,000 456,000 1,069,000 2,254,000 2,000,000 4,372,000 3,500,000 2,762,000 1,685,000 1,406,000 4,819,000     153,000  335,000   117,000 61,000 260,000 396,000 275,000 651,000 170,000      
      yoy
    		     -99.86% -79.12% -15.84% 292.60% 28.92% -6.36% 38.54% 29.22% 274.56% 75.12% -40.95% -42.00% -89.57% -69.46% -18.39% 18.69% 210.95% -27.37% NaN%  NaN% NaN% NaN%  NaN% NaN% NaN%  449.18% NaN% NaN% -57.45% -90.63% 52.94%          
      qoq
    		     -99.18% -76.42% -73.63% 167.26% 25.61% -4.93% 23.02% -12.24% -8.76% 40.65% 14.74% 154.39% -57.34% -52.57% 12.70% -54.25% 24.91% 26.72% 63.92% 19.84% -70.82% NaN%   NaN% NaN%   NaN% NaN% NaN% 91.80% -76.54% -34.34% 44.00% -57.76% 282.94%       
      loss on mannkind transaction
    		                                                
      other expense
    		 -40,000 -41,000 -43,000 -80,000 -40,000 -31,000 -43,000 -82,000 -50,000 -52,000 -61,000 -85,000   -51,000 -11,000   -5,000                    -3,000 -20,000 -51,000       
      loss on disposal group held for sale
    		       2,618,000                                         
      weighted-average common shares outstanding - basic and diluted
    		        3,652,285    3,650,769 3,447,701   3,297,280                                
      operating expenses
    		                                                
      goodwill impairment
    		                 894,250 3,577,000                              
      other income, net:
    		                                                
      total other expense
    		               -36,000                                 
      warrant inducement expense
    		                     -9,289,000                           
      weighted-average shares of common stock used to compute basic and diluted net loss per share
    		                  56,249,062 56,249,062  33,924,499    20,294,560 19,216,172   46,927,221 46,102,043                  
      impairment of goodwill
    		                          6,474,000 794,000                     
      settlement expense
    		                           -200,000                     
      weighted average shares of common stock used to compute basic and diluted net loss per share
    		                      24,376,571                          
      other expenses
    		                       -1,000                         
      weighted-average shares used for eps calculation
    		                    28,753,310   20,469,457 16,733,909   6,944,513 4,126,393   21,876,985 19,371,564 20,200,893 19,553,281 16,791,362 14,815,230 14,850,526 14,804,606 14,754,484 8,089,925 14,654,427 5,608,429      
      interest expense
    		                              -80,000 -106,000 -131,000 -153,000 -172,000 -187,000 -208,000 -225,000 -224,000 -223,000 -222,000 -220,000 -327,000      
      write-off of intangibles, net of tax provision
    		                                    1,143,750  4,575,000          
      net loss attributable to common stockholders
    		                                -3,383,000 -4,452,000 -5,597,000  -4,503,250 -3,157,000 -9,187,000 -5,669,000 -4,536,000 -4,932,000 -14,897,000      
      loss on the conversion of convertible notes
    		                                          -1,170,000      
      fair value adjustment of preferred stock warrant liability
    		                                          582,000      
      fair value adjustment of derivative liability
    		                                          -2,692,000      
      selling, general and administrative
    		                                           1,304,000 1,097,000 1,086,000 1,043,000  
      - basic and diluted
    		                                           -0.32 -0.35 -0.35 -0.36  
      weighted-average number of
    		                                                
      common shares outstanding
    		                                                
      weighted-average number of common shares outstanding
    		                                                
    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 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 
                                                  
        assets
      		                                            
        current assets:
      		                                            
        cash and cash equivalents
      		3,324,000 4,088,000 4,794,000 5,825,000 7,708,000 9,521,000 10,782,000 12,379,000 16,300,000 19,173,000 21,336,000 25,791,000 30,753,000 35,628,000 40,683,000 42,905,000 47,534,000 53,840,000 53,491,000 56,903,000 23,440,000 27,879,000 31,817,000 2,146,000 2,563,000 3,806,000 8,341,000 1,553,000 3,550,000 6,360,000 10,976,000 10,541,000 4,182,000 7,313,000 10,788,000 14,753,000 18,902,000 22,026,000 25,507,000      
        restricted cash
      		700,000       1,421,000   153,000 153,000 153,000 153,000 153,000 153,000    204,000                         
        prepaid expenses and other current assets
      		465,000 41,000 178,000 317,000 317,000 399,000 641,000 1,201,000 712,000 742,000 899,000 1,019,000 1,154,000 1,068,000 1,913,000 2,142,000 1,961,000 871,000 938,000 1,596,000 777,000 960,000 1,114,000 1,236,000 717,000 914,000 619,000 346,000 696,000 885,000 754,000 413,000 577,000 1,022,000 1,010,000 1,011,000 1,560,000 1,333,000 510,000 166,000 199,000 289,000 377,000 3,000 
        total current assets
      		4,489,000 4,129,000 4,972,000 6,142,000 8,041,000 9,920,000 11,446,000 15,636,000 17,582,000 20,843,000 23,229,000 27,381,000 32,800,000 38,147,000 43,225,000 45,845,000 50,608,000 54,778,000 54,438,000 60,469,000 31,417,000 28,839,000 32,931,000 3,382,000 3,280,000 4,720,000 8,960,000 2,052,000 4,246,000 7,550,000 11,730,000 10,954,000 4,759,000 8,335,000 11,798,000 15,764,000 20,462,000 23,359,000 26,017,000 10,523,000 11,769,000 13,169,000 14,644,000 15,574,000 
        long-term restricted cash
      		7,000 10,000 10,000 10,000 10,000 10,000 10,000 51,000 1,472,000 1,472,000 1,472,000 1,472,000 1,472,000 1,472,000 1,472,000 1,472,000 1,625,000 1,625,000 204,000  204,000 204,000 204,000 204,000 204,000 204,000 204,000 204,000 204,000 204,000 204,000 204,000 204,000 204,000 204,000 200,000 250,000 253,000 253,000      
        total assets
      		4,496,000 4,139,000 4,982,000 6,152,000 8,051,000 9,943,000 11,510,000 15,780,000 30,391,000 33,958,000 36,770,000 31,393,000 36,059,000 40,953,000 46,450,000 49,398,000 54,303,000 58,817,000 55,748,000 65,433,000 36,098,000 32,925,000 37,047,000 13,991,000 14,723,000 16,285,000 20,576,000 13,724,000 15,978,000 19,325,000 23,520,000 22,794,000 16,663,000 25,480,000 28,819,000 40,223,000 44,873,000 47,664,000 50,313,000 10,680,000 11,874,000 13,274,000 14,647,000 15,576,000 
        liabilities and stockholders’ equity
      		                                            
        current liabilities:
      		                                            
        accounts payable
      		651,000 272,000 69,000 384,000 657,000 809,000 373,000 393,000 721,000 1,915,000 707,000 929,000 578,000 1,188,000 1,155,000 728,000 1,227,000 839,000 875,000 1,508,000 600,000 1,159,000 543,000 1,611,000 1,183,000 1,367,000 1,507,000 1,192,000 457,000 1,027,000 564,000 235,000 747,000 401,000 664,000 1,272,000 1,090,000 927,000 314,000      
        accrued expenses and other current liabilities
      		254,000 57,000 180,000 164,000 246,000 120,000 217,000 1,783,000 1,677,000 947,000 2,535,000 1,201,000 1,662,000 1,638,000 2,748,000               1,587,000 2,583,000              
        total current liabilities
      		905,000 329,000 249,000 548,000 903,000 929,000 590,000 2,470,000 3,144,000 3,909,000 4,429,000 3,597,000 4,732,000 5,022,000 6,324,000 5,601,000 5,377,000 4,442,000 5,132,000 6,917,000 17,200,000 11,728,000 12,753,000 3,795,000 2,879,000 3,651,000 3,778,000 6,196,000 5,840,000 6,510,000 5,892,000 4,335,000 4,650,000 4,105,000 4,109,000 4,014,000 3,605,000 2,475,000 1,327,000 635,000 575,000 575,000 550,000 947,000 
        total liabilities
      		905,000 329,000 249,000 548,000 904,000 996,000 590,000 2,470,000 11,373,000 15,963,000 16,889,000 7,944,000 9,049,000 9,844,000 11,404,000 10,959,000 11,546,000 11,368,000 10,555,000 12,340,000 25,079,000 18,199,000 18,955,000  2,879,000    5,841,000 6,545,000 7,731,000 6,892,000 7,902,000 8,009,000 8,668,000 12,053,000 12,267,000 11,758,000 11,003,000      
        commitments and contingencies
      		                                            
        stockholders’ equity:
      		                                            
        preferred stock, 0.0001 par value — 500,000 shares authorized; 1,100 shares designated as series b convertible preferred stock; no shares issued and outstanding at march 31, 2026, and december 31, 2025; 1,000 shares of series b convertible preferred stock issuable at march 31, 2026
      		950,000                                            
        common stock
      		                  6,000 6,000 2,000 2,000 2,000 1,000  5,000 5,000 2,000 2,000 2,000 2,000 2,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000      
        additional paid-in capital
      		306,131,000 306,128,000 306,123,000 306,117,000 306,111,000 306,103,000 306,090,000 305,893,000 305,790,000 305,592,000 305,395,000 305,189,000 304,934,000 304,585,000 304,306,000 302,647,000 301,830,000 301,008,000 295,796,000 295,512,000 226,178,000 225,844,000 225,655,000 209,916,000 206,409,000 202,856,000 202,204,000 186,749,000 184,137,000 182,256,000 180,813,000 175,329,000 164,706,000 163,586,000 163,110,000 161,941,000 160,708,000 159,472,000 157,944,000 20,404,520 20,104,520 19,792,520 19,480,520 18,297,535 
        accumulated deficit
      		-303,490,000 -302,318,000 -301,390,000 -300,513,000 -298,964,000 -297,156,000 -295,170,000 -292,583,000 -286,772,000 -287,597,000 -285,514,000 -281,740,000 -277,924,000 -273,476,000 -269,260,000 -264,208,000 -259,613,000 -254,640,000 -250,609,000 -242,425,000 -215,161,000 -211,120,000 -207,565,000 -199,721,000 -194,565,000 -190,227,000 -185,411,000 -179,223,000 -174,002,000 -169,478,000 -165,026,000 -159,429,000 -155,946,000 -146,116,000 -142,960,000 -133,772,000 -128,103,000 -123,567,000 -118,635,000 -10,360,000 -8,806,000 -7,094,000 -5,384,000 -3,669,000 
        total stockholders’ equity
      		3,591,000 3,810,000 4,733,000 5,604,000 7,147,000 8,947,000 10,920,000 13,310,000 19,018,000 17,995,000 19,881,000 23,449,000 27,010,000 31,109,000 35,046,000 38,439,000 42,757,000 47,449,000 45,193,000 53,093,000 11,019,000 14,726,000 18,092,000 10,196,000 11,844,000 12,634,000 16,798,000 7,528,000 10,137,000 12,780,000 15,789,000 15,902,000 8,761,000 17,471,000 20,151,000 28,170,000 32,606,000 35,906,000 39,310,000      
        total liabilities and stockholders’ equity
      		4,496,000 4,139,000 4,982,000 6,152,000 8,051,000 9,943,000 11,510,000 15,780,000 30,391,000 33,958,000 36,770,000 31,393,000 36,059,000 40,953,000 46,450,000 49,398,000 54,303,000 58,817,000 55,748,000 65,433,000 36,098,000 32,925,000 37,047,000 13,991,000 14,723,000 16,285,000 20,576,000 13,724,000 15,978,000 19,325,000 23,520,000 22,794,000 16,663,000 25,480,000 28,819,000 40,223,000         
        other long-term assets
      		     13,000 54,000 93,000 135,000 176,000 217,000 1,984,000 899,000 389,000 428,000 368,000                             
        warrant liability
      		    1,000 67,000                                       
        preferred stock, 0.0001 par value — 500,000 shares authorized; 6,746 shares designated series a convertible preferred stock; no shares issued and outstanding at december 31, 2025 and 2024
      		                                            
        preferred stock, 0.0001 par value — 500,000 shares authorized; 6,746 shares designated series a convertible preferred stock; no shares issued and outstanding at september 30, 2025, and december 31, 2024
      		                                            
        preferred stock, 0.0001 par value — 500,000 shares authorized; 6,746 shares designated series a convertible preferred stock; no shares issued and outstanding at june 30, 2025, and december 31, 2024
      		                                            
        accounts receivable
      		    16,000  23,000 635,000 570,000 928,000 841,000 418,000 740,000 1,298,000 476,000 645,000 1,113,000 67,000 9,000 1,766,000 7,200,000       153,000  305,000               
        preferred stock, 0.0001 par value — 500,000 shares authorized; 6,746 shares designated series a convertible preferred stock; no shares issued and outstanding at march 31, 2025 and december 31, 2024
      		                                            
        property and equipment
      		        1,108,000 1,158,000 1,166,000 279,000 203,000 235,000 265,000 306,000 319,000 321,000 345,000 379,000 270,000 305,000 335,000 354,000 394,000 447,000 498,000 554,000 614,000 657,000 672,000 722,000 786,000 999,000 875,000 783,000 685,000 558,000 545,000 157,000 105,000 105,000 3,000 2,000 
        operating lease right-of-use asset
      		        10,094,000 10,309,000 10,686,000 277,000 685,000 710,000 1,060,000 1,407,000 1,751,000 2,093,000 761,000 1,008,000 630,000                        
        operating lease liability
      		       24,000 383,000 429,000 199,000 358,000 779,000 857,000 1,281,000 1,702,000 1,566,000 1,431,000 898,000 1,184,000 675,000                        
        deferred revenue
      		       270,000 363,000 618,000 988,000 1,109,000 1,713,000 1,339,000 1,140,000 1,561,000 1,517,000 939,000 1,974,000 3,034,000 13,411,000 9,304,000 10,979,000                      
        deferred revenue, net of current portion
      		         3,727,000 4,038,000 4,347,000 4,317,000 4,822,000 5,080,000 5,358,000 5,739,000 6,069,000 5,423,000 5,423,000 7,879,000 6,471,000 6,202,000                      
        operating lease liability, net of current portion
      		        8,229,000 8,327,000 8,422,000      430,000 857,000                           
        preferred stock, 0.0001 par value — 500,000 shares authorized; 6,746 shares designated series a convertible preferred stock; no shares issued and outstanding at december 31, 2024 and 2023
      		                                            
        preferred stock, 0.0001 par value — 500,000 shares authorized; 6,746 shares designated series a convertible preferred stock; no shares issued and outstanding at september 30, 2024 and december 31, 2023
      		                                            
        preferred stock, 0.0001 par value — 500,000 shares authorized; 6,746 shares designated series a convertible preferred stock; no shares issued and outstanding at june 30, 2024 and december 31, 2023
      		                                            
        preferred stock, 0.0001 par value — 500,000 shares authorized; 6,746 shares designated series a convertible preferred stock; no shares issued and outstanding at march 31, 2024 and december 31, 2023
      		                                            
        preferred stock, 0.0001 par value — 500,000 shares authorized; 6,746 shares designated series a convertible preferred stock; no shares issued and outstanding at december 31, 2023 and 2022
      		                                            
        preferred stock, 0.0001 par value — 500,000 shares authorized; 6,746 shares designated series a convertible preferred stock; no shares issued and outstanding at september 30, 2023 and december 31, 2022
      		                                            
        preferred stock, 0.0001 par value — 500,000 shares authorized; 6,746 shares designated series a convertible preferred stock; no shares issued and outstanding at june 30, 2023 and december 31, 2022
      		                                            
        preferred stock, 0.0001 par value — 500,000 shares authorized; 6,746 shares designated series a convertible preferred stock; no shares issued and outstanding at march 31, 2023 and december 31, 2022
      		                                            
        preferred stock, 0.0001 par value — 500,000 shares authorized; 6,746 shares designated series a convertible preferred stock; no and 1,830 shares issued and outstanding at december 31, 2022 and 2021, respectively
      		                                            
        preferred stock, 0.0001 par value — 500,000 shares authorized; 6,746 shares designated series a convertible preferred stock; no and 1,830 shares issued and outstanding at september 30, 2022 and december 31, 2021, respectively
      		                                            
        accrued expenses
      		               1,610,000 1,067,000 1,233,000 1,385,000 1,191,000 2,514,000 1,265,000 1,231,000 2,184,000 1,696,000 2,284,000 2,271,000 2,479,000 2,162,000   1,439,000 1,317,000 1,193,000 1,212,000 1,060,000 1,486,000 1,135,000 1,013,000      
        preferred stock, 0.0001 par value — 500,000 shares authorized at june 30, 2022 and december 31, 2021; 6,746 shares designated series a convertible preferred stock; no and 1,830 shares issued and outstanding at june 30, 2022 and december 31, 2021, respectively
      		                                            
        series a convertible preferred stock, 0.0001 par value — 6,746 shares authorized at march 31, 2022 and december 31, 2021; 915 and 1,830 shares issued and outstanding at march 31, 2022 and december 31, 2021, respectively
      		                540,000                            
        goodwill
      		                   3,577,000 3,577,000 3,577,000 3,577,000 10,051,000 10,845,000 10,914,000 10,914,000 10,914,000 10,914,000 10,914 10,914,000 10,914,000 10,914,000 15,942,000 15,942,000 15,942,000 15,942,000 15,942,000 15,942,000      
        series a convertible preferred stock, 0.0001 par value — 6,745 and no shares authorized at december 31, 2021 and december 31, 2020, respectively; 1,830 and no shares issued and outstanding at december 31, 2021 and december 31, 2020, respectively
      		                 1,081,000                           
        preferred stock, 0.0001 par value — 500,000 authorized and 0 issued and outstanding at september 30, 2021 and december 31, 2020
      		                                            
        commitments
      		                                            
        preferred stock, 0.0001 par value — 500,000 authorized and 0 issued and outstanding at june 30, 2021 and december 31, 2020
      		                                            
        preferred stock, 0.0001 par value — 500,000 shares authorized at december 31, 2019 and december 31, 2018, respectively; no shares issued and outstanding at december 31, 2019 and december 31, 2018, respectively
      		                                            
        preferred stock, 0.0001 par value—500,000 authorized and 0 issued and outstanding at september 30, 2019 and december 31, 2018
      		                                            
        preferred stock, 0.0001 par value—500,000 authorized and 0 issued and outstanding at june 30, 2019 and december 31, 2018
      		                                            
        preferred stock, 0.0001 par value — 500,000 authorized and 0 issued and outstanding at march 31, 2019 and december 31, 2018
      		                                            
        loan payable, net of debt discount and issuance costs
      		                           2,524,000 3,221,000 3,896,000 2,745,000 2,661,000 2,586,000 2,511,000 2,233,000          
        derivative liability
      		                           1,000 1,000 35,000 35,000 35,000 35,000 11,000 11,000 11,000 11,000 11,000 11,000      
        preferred stock, 0.0001 par value — 500,000 authorized and 0 issued and outstanding at september 30, 2018 and december 31, 2017
      		                                            
        preferred stock, 0.0001 par value—500,000 authorized and 0 issued and outstanding at june 30, 2018 and december 31, 2017
      		                                            
        preferred stock, 0.0001 par value—500,000 authorized and 0 issued and outstanding at march 31, 2018 and december 31, 2017
      		                                            
        loan payable, net of current portion, debt discount and issuance costs
      		                              1,804,000 2,522,000 3,217,000 3,893,000 4,548,000 5,069,000 5,692,000        
        stockholders’ equity
      		                                            
        preferred stock, 0.0001 par value—500,000 authorized and 0 issued and outstanding at september 30, 2017 and december 31, 2016
      		                                            
        preferred stock, 0.0001 par value - 500,000 authorized and 0 issued and outstanding at june 30, 2017 and december 31, 2016
      		                                            
        preferred stock, 0.0001 par value - 500,000 authorized and 0 issued and outstanding at march 31, 2017 and december 31, 2016
      		                                            
        intangible assets
      		                                   7,534,000 7,534,000 7,534,000 7,534,000      
        deferred tax liability
      		                                   2,959,000 2,959,000 2,959,000 2,959,000      
        preferred stock, 0.0001 par value — 500,000 authorized and 0 issued and outstanding at september 30, 2016 and december 31, 2015
      		                                            
        preferred stock, 0.0001 par value — 500,000 authorized and 0 issued and outstanding at june 30, 2016 and december 31, 2015
      		                                            
        loan payable, net of debt discount
      		                                   1,682,000 1,029,000 413,000       
        preferred stock, 0.0001 par value — 500,000 authorized and 0 issued and outstanding at march 31, 2016 and december 31, 2015
      		                                            
        convertible notes payable to stockholders, net of discount
      		                                            
        preferred stock warrant liability
      		                                            
        redeemable convertible preferred stock
      		                                            
        series b redeemable convertible preferred stock, 0.01 par value — 0 shares and 180,980,200 shares designated at december 31, 2015 and december 31, 2014; 0 shares and 41,788,790 shares issued and outstanding at december 31, 2015 and december 31, 2014, respectively
      		                                            
        seed redeemable convertible preferred stock, 0.01 par value — 0 shares and 1,219,508 shares designated at december 31, 2015; 0 shares and 1,219,508 shares issued and outstanding at december 31, 2015 and december 31, 2014, respectively
      		                                            
        series a-4 redeemable convertible preferred stock, 0.01 par value — 0 shares and 1,307,190 shares designated; 0 shares and 1,307,190 shares issued and outstanding at december 31, 2015 and december 31, 2014, respectively;
      		                                            
        series b-1 redeemable convertible preferred stock, 0.01 par value — 0 shares and 18,687,554 shares designated; 0 shares and 18,687,554 shares issued and outstanding at december 31, 2015 and december 31, 2014, respectively;
      		                                            
        junior seed convertible preferred stock, 0.01 par value — 0 shares and 410,000 shares designated; 0 shares and 410,000 shares issued and outstanding at december 31, 2015 and december 31, 2014, respectively;
      		                                            
        total liabilities, redeemable convertible preferred stock and stockholders’ equity
      		                                    44,873,000 47,664,000 50,313,000      
        other assets
      		                                     18,000 22,000      
        loan payable, net of current portion and debt discount
      		                                     6,313,000       
        series b redeemable convertible preferred stock, 0.01 par value — 0 shares and 180,980,200 shares designated at september 30, 2015 and december 31, 2014; 0 shares and 41,788,790 shares issued and outstanding at september 30, 2015 and december 31, 2014, respectively
      		                                            
        seed redeemable convertible preferred stock, 0.01 par value — 0 shares and 1,219,508 shares designated, issued and outstanding at september 30, 2015 and december 31, 2014, respectively
      		                                            
        series a-4 redeemable convertible preferred stock, 0.01 par value — 0 shares and 1,307,190 shares designated, issued and outstanding at september 30, 2015 and december 31, 2014, respectively;
      		                                            
        series b-1 redeemable convertible preferred stock, 0.01 par value — 0 shares and 18,687,554 shares designated, issued and outstanding at september 30, 2015 and december 31, 2014, respectively;
      		                                            
        junior seed convertible preferred stock, 0.01 par value — 0 shares and 410,000 shares designated, issued and outstanding at september 30, 2015 and december 31, 2014, respectively;
      		                                            
        liabilities and stockholders’ deficit
      		                                            
        loan payable, net of discount
      		                                      6,706,000      
        series b redeemable convertible preferred stock, 0.01 par value — 0 shares and 180,980,200 shares designated at june 30, 2015 and december 31, 2014; 0 shares and 41,788,790 shares issued and outstanding at june 30, 2015 and december 31, 2014, respectively
      		                                            
        seed redeemable convertible preferred stock, 0.01 par value — 0 shares and 1,219,508 shares designated at june 30, 2015; 0 shares and 1,219,508 shares issued and outstanding at june 30, 2015 and december 31, 2014, respectively
      		                                            
        series a-4 redeemable convertible preferred stock, 0.01 par value — 0 shares and 1,307,190 shares designated; 0 shares and 1,307,190 shares issued and outstanding at june 30, 2015 and december 31, 2014, respectively;
      		                                            
        series b-1 redeemable convertible preferred stock, 0.01 par value — 0 shares and 18,687,554 shares designated; 0 shares and 18,687,554 shares issued and outstanding at june 30, 2015 and december 31, 2014, respectively;
      		                                            
        junior seed convertible preferred stock, 0.01 par value — 0 shares and 410,000 shares designated; 0 shares and 410,000 shares issued and outstanding at june 30, 2015 and december 31, 2014, respectively;
      		                                            
        cash
      		                                       10,357,000 11,570,000 12,880,000 14,267,000 15,571,000 
        liabilities and stockholders' equity
      		                                            
        accounts payable and accrued expenses
      		                                       635,000 574,000 573,000 543,000 410,000 
        payable to former parent
      		                                        1,000 2,000 7,000 537,000 
        stockholders' equity:
      		                                            
        preferred stock, 0.0001 par value...
      		                                            
        common stock, 0.0001 par value...
      		                                       480 480 480  465 
        total stockholders' equity
      		                                       10,045,000 11,299,000 12,699,000 14,097,000 14,629,000 
        total liabilities and stockholders' equity
      		                                       10,680,000 11,874,000 13,274,000 14,647,000 15,576,000 
        500,000 shares authorized;
      		                                            
        no shares issued and outstanding
      		                                            
        at june 30, 2014 and march 31, 2014, respectively
      		                                          480  
        100,000,000 shares authorized;
      		                                            
        4,804,290 and 4,650,000 shares issued and outstanding
      		                                            
        deferred offering costs
      		                                            
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2024-12-31 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 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 
                                            
          cash flows from operating activities:
        		                                    
          net loss
        		-1,986,000 -2,587,000   -2,083,000 -3,774,000 -3,816,000 -4,448,000 -4,216,000 -5,052,000 -4,595,000 -4,973,000 -4,031,000 -8,184,000 -3,852,000 -4,104,000 -2,899,000 -10,553,000 -1,170,000 -4,686,000 -4,041,000 -3,555,000 -7,844,000 -5,156,000 -4,338,000 -4,816,000 -4,524,000 -4,452,000 -5,597,000 -3,483,000 -9,830,000 -3,156,000 -9,188,000 -5,669,000 -4,536,000 -4,932,000 
          adjustments to reconcile net loss to net cash from operating activities:
        		                                    
          depreciation and amortization
        		0 0 47,000 59,000 38,000 32,000 32,000 32,000 39,000 41,000 47,000 35,000 35,000 46,000 37,000 51,000 58,000 54,000 52,000 51,000 43,000 44,000 45,000 50,000 56,000 57,000 60,000 59,000 63,000 64,000 67,000 66,000 59,000 58,000 53,000 57,000 
          amortization of operating lease right-of-use asset
        		0 0 114,000 215,000 170,000 394,000 408,000 369,000 350,000 347,000 344,000 342,000 339,000 247,000 242,000 239,000 235,000 234,000 206,000 153,000                 
          stock-based compensation
        		13,000 197,000 103,000 198,000 197,000 206,000 255,000 296,000 279,000 277,000 277,000 281,000    328,000    343,000 331,000 185,000 1,091,000 459,000 615,000 660,000 741,000 740,000 715,000 622,000 1,120,000 476,000 1,169,000 1,233,000 1,236,000 1,527,000 
          loss on disposals
        		0                                    
          fair value adjustment of warrants
        		                                    
          changes in operating assets and liabilities:
        		                                    
          accounts receivable
        		23,000 612,000 -65,000 358,000 -87,000 -423,000 322,000 558,000 -822,000 169,000 468,000 -1,046,000 -58,000 1,757,000 -1,679,000 -3,000 1,133,000 -864,000 -353,000 7,200,000                 
          prepaid expenses and other current assets
        		242,000 560,000 -489,000 30,000 157,000 120,000 135,000 -86,000 845,000 229,000 -181,000 -1,090,000 -7,000 658,000 -634,000 -165,000 597,000 54,000 397,000 -1,068,000 183,000 154,000 122,000 -519,000 198,000 -296,000 189,000 -131,000 -341,000 164,000 445,000 -12,000 1,000 549,000 -306,000 -819,000 
          other long-term assets
        		41,000 39,000 42,000 41,000 41,000 1,767,000 -1,085,000 -510,000 39,000 -60,000                           
          accounts payable
        		436,000 -20,000 -328,000 -1,194,000 1,208,000 -172,000 301,000 -610,000 33,000 427,000 -466,000 517,000 -99,000 -545,000 517,000 -22,000 291,000 330,000 -993,000 672,000 -559,000 616,000 -1,068,000 428,000 -184,000 -140,000 -549,000 442,000 329,000 -512,000 343,000 -128,000 -660,000 99,000 97,000 640,000 
          accrued expenses and other current liabilities
        		-97,000 -1,566,000 350,000 875,000 -1,313,000 670,000 -461,000 24,000 -1,110,000                            
          operating lease liability
        		0 -24,000 -165,000 -144,000 342,000 -2,540,000 -421,000 -422,000 -424,000 -421,000 -294,000 -292,000 -281,000 -286,000 -281,000 -278,000  -150,000 -153,000 -164,000                 
          deferred revenue
        		0 -270,000 -93,000 -3,982,000 -681,000 -430,000 -574,000 -131,000 -59,000 -699,000 -337,000 248,000 -389,000 -1,060,000 -496,000 -1,381,000 -1,916,000 -3,156,000 -3,147,000 -2,737,000 5,515,000 -1,406,000               
          net cash from operating activities
        		-1,261,000 -3,059,000 -3,677,000 -2,719,000 -2,011,000 -4,142,000 -4,904,000 -4,928,000 -5,046,000 -3,604,000 -4,562,000 -6,144,000 -4,396,000 -3,312,000 -6,524,000 -5,495,000 -2,768,000 -5,515,000 -4,998,000 798,000 -4,433,000 -3,928,000 15,047,000 -3,456,000 -4,165,000 -4,521,000   -3,657,000 -2,992,000 -2,503,000 -2,798,000 -3,866,000 -4,076,000 -2,978,000 -3,412,000 
          capital expenditures
        		0 0 -244,000 90,000 -580,000 -313,000 0 0 -9,000 0 -67,000 -10,000 -26,000 -100,000 0  -83,000 -100,000 -2,000 -96,000 -9,000 -14,000 -25,000 -10,000 -11,000 -6,000   0  -18,000 -265,000 -99,000 -73,000 -146,000 -70,000 
          free cash flows
        		-1,261,000 -3,059,000 -3,921,000 -2,629,000 -2,591,000 -4,455,000 -4,904,000 -4,928,000 -5,055,000 -3,604,000 -4,629,000 -6,154,000 -4,422,000 -3,412,000 -6,524,000  -2,851,000 -5,615,000 -5,000,000 702,000 -4,442,000 -3,942,000 15,022,000 -3,466,000 -4,176,000 -4,527,000   -3,657,000  -2,521,000 -3,063,000 -3,965,000 -4,149,000 -3,124,000 -3,482,000 
          cash flows from investing activities:
        		                                    
          purchases of property and equipment
        		0 0 -244,000 -154,000 -305,000 -313,000   -9,000 0 -67,000 -10,000 -26,000 -100,000   -83,000 -100,000 -2,000 -96,000 -9,000 -14,000 -25,000 -10,000 -11,000 -6,000 -38,000 -23,000   -18,000 -265,000 -99,000 -73,000 -146,000 -70,000 
          net cash from investing activities
        		0 0 -244,000 -154,000 -305,000 -313,000   -9,000 0 -67,000 -10,000 -26,000 -100,000   -83,000 -100,000 -2,000 -96,000 -9,000 -14,000 -25,000 -10,000 -11,000 -6,000 -38,000 -23,000   6,000 -265,000 -99,000 -73,000 -146,000 -70,000 
          cash flows from financing activities:
        		                                    
          proceeds from issuance of common stock, net of issuance costs
        		    0 0 0 53,000 0    0 0 0 37,079,000 0 0    0 14,566,000 2,979,000     4,765,000 9,702,000       
          net cash from financing activities
        		    0 0 0 53,000 0 1,382,000 0 -152,000 6,192,000 0 0 37,283,000 0 12,868,000 7,853,000 260,000 3,000 4,000 14,649,000 3,049,000 2,933,000 -8,000 440,000 23,000 4,105,000 9,351,000 -634,000    0 1,000 
          net decrease in cash, cash equivalents and restricted cash
        		-1,261,000 -3,059,000 -3,921,000 -2,873,000 -2,316,000 -4,455,000 -4,962,000 -4,875,000                             
          cash, cash equivalents and restricted cash — beginning of period
        		0 0 0 20,645,000 0 0 0 37,253,000  0 0 55,465,000 0 0 0 31,861,000 0 0 0 23,644,000 0 0 0 2,767,000             
          cash, cash equivalents and restricted cash — end of period
        		-1,261,000 -3,059,000 -3,921,000 17,772,000 -2,316,000 -4,455,000 -4,962,000 32,378,000  -2,222,000 -4,629,000 49,159,000 1,770,000 -3,412,000 -6,542,000 63,649,000 -2,851,000 7,253,000 2,853,000 24,606,000 -4,439,000 -3,938,000 29,671,000 2,350,000             
          reconciliation of cash, cash equivalents and restricted cash to the consolidated balance sheets:
        		                                    
          cash and cash equivalents
        		-1,261,000 -1,597,000 -3,921,000 16,300,000 -2,163,000 -4,455,000 -4,962,000 30,753,000 -5,055,000 -2,222,000 -4,629,000 47,534,000                         
          long-term restricted cash
        		0 -41,000 -1,421,000 1,472,000 0 0 0 1,472,000 0 0                           
          total cash, cash equivalents and restricted cash
        		-1,261,000 -3,059,000 -3,921,000 17,772,000 -2,316,000 -4,455,000 -4,962,000 32,378,000                             
          supplemental disclosures of non-cash investing and financing information:
        		                                    
          reduction of operating lease right-of-use asset and lease liability upon lease modification
        		0 0                                   
          operating lease right-of-use asset obtained in exchange for operating lease liability
        		    -207,000                                
          purchases of property and equipment not yet paid
        		   244,000 -275,000                                
          restricted cash
        		     0 0 153,000 0 0 -1,472,000 1,625,000                   0 0 -4,000 50,000  0 
          operating lease right-of-use asset obtained in exchange for operating lease obligation
        		      0 344,000         0 0                   
          loss on disposal group held for sale
        		                                    
          net income
        		   825,000                                 
          adjustments to reconcile net income to net cash from operating activities:
        		                                    
          loss on disposal of property and equipment
        		    0                          142,000    3,000 2,000 
          preferred stock issuance costs
        		         0 0 -152,000                         
          conversion of preferred stock to common stock
        		        0 0 540,000 541,000                         
          fixed asset purchases in accounts payable
        		           33,000   73,000 15,000 4,000 9,000 10,000 2,000                 
          proceeds from the issuance of preferred stock and common stock warrants, net of issuance costs
        		                                    
          impairment of goodwill
        		            0        0 0 6,474,000 794,000             
          proceeds from exercise of common stock warrants
        		                                    
          net increase in cash, cash equivalents and restricted cash
        		            1,770,000 -3,412,000 -6,542,000 31,788,000 -2,851,000 7,253,000 2,853,000 962,000                 
          cash, cash equivalents and restricted cash — beginning of year
        		                                    
          cash, cash equivalents and restricted cash — end of year
        		                                    
          issuance costs in accounts payable
        		                                    
          preferred stock issuance costs associated with placement agent warrants
        		                                    
          beneficial conversion feature of preferred stock
        		                                    
          deemed dividend related to beneficial conversion feature of preferred stock
        		                                    
          goodwill impairment
        		                                    
          proceeds from exercise of warrants
        		              0 204,000   536,000 239,000                 
          net (decrease) increase in cash, cash equivalents and restricted cash
        		         -2,222,000 -4,629,000 -6,306,000                         
          supplemental information:
        		                                    
          total cash, cash equivalents and restricted cash shown in the statement of cash flows
        		         -2,222,000 -4,629,000 49,159,000                         
          supplemental disclosure of non-cash investing and financing activities:
        		                                    
          accrued expenses
        		          543,000 -166,000 -152,000 194,000 -677,000 -160,000 -361,000 -1,056,000 -103,000 1,034,000 1,299,000 40,000 -948,000 494,000 -568,000 13,000 556,000 -1,017,000 1,119,000 96,000 90,000 -55,000 115,000 -462,000 364,000 94,000 
          share-based compensation
        		            247,000 284,000    303,000                   
          warrant inducement expense
        		                                    
          proceeds from exercise of common stock warrants, net of issuance costs
        		            0    2,292,000                    
          proceeds from exercise of common stock options
        		                0 0 3,000 21,000                 
          proceeds from paycheck protection program loan
        		                0 0                   
          repayment of paycheck protection program loan
        		                0 0                   
          proceeds from exercise of common stock warrants, shares to be issued
        		                                    
          warrant inducement
        		                                    
          operating lease liabilities
        		                                    
          proceeds from exercise of pre-funded warrants
        		                       70,000             
          gain on disposal of property and equipment
        		                                    
          non-cash interest expense
        		                        -20,000 0 36,000 41,000 46,000 48,000 53,000 56,000 52,000 51,000 80,000 22,000 
          non-cash debt issuance expense
        		                        0 0 3,000 2,000 3,000 4,000 3,000 5,000 4,000 4,000   
          fair value adjustment on derivative liability
        		                        0 0         0 0 
          proceeds from issuance of common stock and warrants
        		                                  0 0 
          principal payments term loan
        		                                    
          end of term loan payment
        		                                    
          supplemental disclosures of cash flow information:
        		                                    
          cash paid for interest
        		                                    
          deferred rent
        		                     -6,000 -5,000 -6,000             
          proceeds from the exercise of pre-funded warrants
        		                     4,000               
          term loan principal payments
        		                         0  -680,000 -664,000 -651,000       
          end of term payments
        		                         0           
          net increase in cash and cash equivalents
        		                     -3,938,000    -4,535,000  -4,616,000 435,000 6,359,000 -3,131,000 -3,475,000     
          net decrease in cash
        		                       -417,000             
          non-cash rent expense
        		                          5,000 5,000 6,000 5,000 11,000 10,000 11,000 11,000 -38,000 -3,000 
          proceeds from exercise of stock options
        		                          0 0       0 1,000 
          net decrease in cash and cash equivalents
        		                                    
          cash and cash equivalents — beginning of period
        		                        0 0 0 0 0 4,182,000 0 0     
          cash and cash equivalents — end of period
        		                        -1,243,000 -4,535,000  -4,616,000 435,000 10,541,000 -3,131,000 -3,475,000     
          supplemental disclosures of cash flow information
        		                                    
          proceeds from issuance of common stock and pre-funded warrants, net of issuance costs
        		                         -8,000           
          proceeds from the exercise of stock options
        		                             300,000       
          supplemental disclosures of noncash financing and investing activities
        		                                    
          write-off of intangibles, net of tax provision
        		                                    
          proceeds on sale of equipment
        		                                    
          cash and cash equivalents— end of period
        		                                    
          supplemental disclosures of noncash financing and investing activities:
        		                                    
          fixed asset trade in value
        		                                    
          fixed asset purchases in accounts payable at year-end
        		                                 83,000   
          write-off of intangible assets, net of tax provision
        		                               0     
          stock issued for consulting services in connection with the ruthigen, inc. merger
        		                                    
          net cash used by operating activities
        		                                    
          net proceeds from issuance of common stock
        		                                    
          fixed asset purchases in account payable
        		                                    
          supplemental disclosures of non—cash financing and investing activities:
        		                                    
          fixed asset purchases in accounts payable at quarter-end
        		                                    
          cash from investing activities:
        		                                    
          stock issued for consulting services in connection with the merger
        		                                  0 0 
          fair value adjustment on preferred stock warrant liability
        		                                  0 0 
          loss on conversion of convertible notes
        		                                  0 0 
          cash acquired from the merger transaction
        		                                  0 0 
          proceeds from issuance of convertible promissory notes
        		                                  0 0 
          principle payments term loan
        		                                    
          conversion of convertible notes and accrued interest into common stock
        		                                  0 0 
          conversion of 2015 bridge notes into common stock
        		                                    
          fair value of assets and liabilities acquired in the merger:
        		                                    
          fair value of assets acquired in merger
        		                                  0 0 
          fair value of liabilities assumed in merger
        		                                  0 0 
          fair value of net assets acquired in the merger
        		                                  0 0 
          proceeds from issuance of term loan
        		                                  0 0 
          supplemental disclosures of non - cash financing and investing activities:
        		                                    
          payments for issuance of term loan
        		                                    
          net increase in cash
        		                                 -4,149,000 -3,124,000 -3,481,000 
          cash — beginning of period
        		                                 18,902,000 0 0 
          cash — end of period
        		                                 14,753,000 -3,124,000 -3,481,000 
          proceeds from extinguishment of debt and repurchase of series b preferred stock
        		                                    
          promissory note issuance proceeds allocated to beneficial conversion feature
        		                                    
          promissory note issuance proceeds allocated to preferred stock warrants
        		                                    
          conversion of notes payable and accrued interest into convertible preferred stock
        		                                    
          accretion of redeemable preferred stock
        		                                    
          warrant extinguishment