7Baggers
Quarterly
Annual
    Unit: USD2024-06-30 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 2017-09-30 2017-06-30 2017-03-31 2016-09-30 2016-06-30 2016-03-31 2015-09-30 2015-06-30 2015-03-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 
      
    		                                                                 
      assets
    		                                                                 
      current assets:
    		                                                                 
      cash and cash equivalents
    		11,462,000 7,135,000 3,565,000 658,000 309,000 4,563,000 4,731,000 27,125,000 16,437,000 24,886,000 32,264,000 23,656,000 17,070,000 29,427,000 22,450,000 23,996,000 24,099,000 44,080,000 45,048,000 63,673,000 49,602,000 44,043,000 58,753,000 50,031,000 36,063,000 20,181,000 20,995,000 20,223,000 17,529,000 23,747,000 30,817,000 27,947,000 23,405,000 19,580,000 15,871,000 26,921,000 23,521,000 17,196,000 28,559,000 30,724,000 20,269,000 16,012,000 7,999,000 22,341,000 8,395,000 18,943,000 18,687,000 9,744,000 7,960,000 10,670,000 9,851,000 4,786,000 16,709,000 20,694,000 14,313,000 13,942,000 16,731,000 12,056,000 13,845,000 7,803,000 5,270,000 3,531,000 1,045,000 285,000 307,000 
      short-term investments
    		6,124,000 2,760,000 2,691,000 3,839,000 5,132,000 13,013,000 21,152,000 20,296,000 34,146,000 35,374,000 29,059,000 29,590,000 30,478,000 18,393,000 19,258,000 18,779,000 6,574,000 18,568,000 23,766,000 21,339,000 25,595,000 24,779,000 9,684,000 15,465,000 24,176,000 34,795,000 38,959,000 27,073,000 29,019,000 15,049,000 6,000 39,000 114,000 44,000 3,189,000 18,178,000 18,146,000 25,417,000 18,351,000 8,448,000 12,574,000 4,415,000 8,182,000 16,354,000 17,377,000 20,164,000 20,508,000 19,166,000 16,582,000 10,715,000 6,672,000 3,844,000 1,224,000 4,230,000 4,860,000 7,790,000 4,657,000 4,692,000        
      accounts receivable
    		26,555,000 25,116,000 23,029,000 23,290,000 23,693,000 19,424,000 23,951,000 22,038,000 27,539,000 24,158,000 21,023,000 25,221,000 22,682,000 20,235,000 16,445,000 17,747,000 22,441,000 22,813,000 18,886,000 18,770,000 20,368,000 21,240,000 17,014,000 20,766,000 18,269,000 20,604,000 19,585,000 19,690,000 20,679,000 20,124,000 18,833,000 21,717,000 19,604,000 21,248,000 21,407,000 18,399,000 16,407,000 18,642,000 14,164,000 16,183,000 17,126,000 17,384,000 13,054,000 14,579,000 14,921,000 12,383,000 13,655,000 14,835,000 14,885,000  13,007,000 11,804,000 12,889,000 11,026,000 11,663,000 11,810,000 13,249,000 10,875,000 11,719,000 12,116,000 12,270,000 9,601,000 10,422,000 11,568,000 11,077,000 
      inventories
    		67,641,000 75,000,000 82,307,000 82,946,000 80,252,000 75,093,000 65,793,000 59,624,000 54,281,000 51,414,000 50,778,000 47,307,000 47,725,000 49,519,000 50,298,000 48,622,000 45,805,000 41,252,000 42,093,000 38,314,000 34,590,000 32,801,000 33,572,000 32,172,000 32,503,000 29,907,000 29,924,000 29,965,000 30,354,000 30,056,000 31,167,000 30,468,000 29,202,000 27,453,000 26,747,000 28,408,000 27,208,000 26,326,000 26,266,000 26,488,000 25,183,000 24,047,000 23,779,000 24,512,000 24,899,000 25,644,000 23,422,000 21,088,000 18,765,000 17,400,000 18,442,000 18,168,000 18,149,000 18,675,000 18,866,000 18,786,000 19,459,000 20,169,000 21,373,000 20,231,000 17,977,000 17,387,000 17,727,000 16,975,000 17,208,000 
      prepaid expenses and other current assets
    		7,480,000 2,503,000 3,173,000 5,010,000 6,623,000 2,496,000 3,770,000 3,598,000 5,171,000 2,901,000 3,447,000 7,992,000 7,873,000 2,385,000 3,868,000 4,013,000 3,226,000 1,367,000 2,545,000 2,661,000 2,931,000 1,803,000 3,242,000 2,599,000 2,919,000 2,064,000 3,001,000 6,022,000 2,003,000 2,180,000 3,815,000 1,372,000 2,788,000 2,954,000 1,400,000 1,974,000 2,488,000 1,008,000 1,603,000 1,592,000 2,300,000 909,000 3,110,000       1,050,000    981,000    719,000    1,483,000    
      long-term investments
    		5,624,000 8,853,000 8,165,000 9,474,000 10,186,000 8,697,000 8,669,000 11,133,000 15,794,000 17,566,000 19,423,000 24,898,000 32,441,000 40,672,000 46,207,000 45,381,000 56,871,000 33,718,000 31,772,000 16,830,000 23,051,000 27,466,000 21,048,000 21,166,000 22,208,000 23,953,000 10,112,000 10,046,000 9,463,000 9,838,000 10,617,000 11,092,000 12,145,000 11,974,000 13,529,000 10,000,000 10,000,000 12,375,000 10,069,000 20,104,000 20,124,000 28,365,000 28,433,000 23,501,000 27,665,000 15,347,000 13,529,000 18,742,000 21,693,000 20,291,000 24,448,000 28,365,000 11,418,000 11,477,000 11,537,000 4,420,000          
      property, plant and equipment
    		286,224,000 289,054,000 286,445,000 284,079,000 281,359,000 275,575,000 270,642,000 258,970,000 249,648,000 239,786,000 233,217,000 229,719,000 225,384,000 221,342,000 218,912,000 213,203,000 207,814,000 204,280,000 200,990,000 196,250,000 191,045,000 184,631,000 181,582,000 177,598,000 174,322,000 170,313,000 167,148,000 165,571,000 162,543,000 159,301,000 155,772,000 153,660,000 147,728,000 146,511,000 144,641,000 138,426,000 136,024,000 133,753,000 130,504,000 127,851,000 125,922,000 125,587,000 124,180,000 121,825,000 120,127,000 117,649,000 111,270,000 108,810,000 105,446,000 103,789,000 102,133,000 101,488,000 100,590,000 99,862,000 98,768,000 97,289,000 95,328,000 94,364,000 93,681,000 92,819,000 91,749,000 89,736,000 87,868,000 85,654,000 83,477,000 
      less accumulated depreciation and amortization
    		163,319,000 164,446,000  157,313,000 153,652,000    140,842,000 137,626,000  132,650,000 129,372,000 126,451,000  122,150,000 119,947,000 118,834,000  113,989,000 111,324,000 108,691,000  105,151,000 104,750,000 102,828,000 100,630,000 99,015,000 96,942,000 93,618,000 91,483,000 89,548,000 85,486,000 83,637,000 81,567,000 77,980,000 76,107,000 74,173,000 72,176,000 70,163,000 68,135,000 66,872,000 64,912,000 62,918,000 61,658,000 60,235,000 57,146,000 55,676,000 54,380,000 53,125,000 51,753,000 50,290,000 48,528,000 46,721,000 44,875,000 43,779,000 42,307,000 40,994,000 39,572,000 38,187,000 36,797,000 35,686,000 34,298,000 32,970,000 31,784,000 
      other assets and deferred charges:
    		                                                                 
      patents and licenses
    		1,015,000 1,043,000  1,100,000 1,128,000 1,157,000  1,213,000                                                          
      goodwill
    		9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 9,730,000 
      other
    		1,818,000 1,879,000 1,746,000 1,996,000 2,065,000 1,889,000 1,977,000 2,084,000 2,171,000 2,177,000 2,266,000 2,139,000 2,266,000 2,200,000 2,278,000 2,261,000 2,257,000 1,946,000 2,046,000 1,604,000 1,564,000 1,587,000 1,621,000 1,679,000 1,624,000 1,786,000 1,494,000 1,529,000 1,543,000 1,571,000 1,067,000 999,000 877,000 928,000 999,000 882,000 864,000 810,000 812,000 812,000 869,000 905,000 795,000 814,000 799,000 851,000 766,000 779,000 741,000 737,000 790,000 839,000 730,000 679,000 1,097,000 1,211,000 1,273,000 1,283,000 607,000 607,000 607,000 913,000 738,000 1,138,000 1,138,000 
      total assets
    		260,354,000 258,627,000 260,825,000 264,809,000 266,825,000 261,429,000 264,712,000 271,954,000 275,317,000 271,638,000 267,264,000 268,934,000 267,638,000 268,843,000 266,890,000 263,032,000 260,350,000 260,430,000 262,031,000 256,751,000 248,751,000 241,018,000 231,216,000 227,743,000 218,782,000 212,253,000 202,126,000 192,671,000 187,789,000 180,563,000 172,989,000 170,187,000 162,936,000 159,677,000 158,990,000 178,920,000 172,330,000 175,200,000 172,066,000 173,108,000 167,341,000 161,901,000 155,810,000       134,652,000    132,749,000    115,353,000    99,313,000    
      liabilities and stockholders’ equity
    		                                                                 
      current liabilities:
    		                                                                 
      accounts payable and accrued liabilities
    		16,314,000 11,112,000  13,915,000 15,555,000 16,113,000  15,085,000 17,861,000 13,542,000  13,914,000 11,999,000 9,925,000  11,694,000 11,373,000 10,325,000  9,878,000 10,143,000 9,917,000  11,116,000 9,738,000 8,208,000 10,382,000 8,111,000 9,436,000 9,252,000 7,576,000 8,500,000 9,374,000 8,388,000 6,199,000 9,891,000 9,694,000 7,523,000  9,268,000 9,627,000 6,887,000  8,665,000 8,010,000 6,995,000 10,553,000 9,938,000 7,289,000  7,932,000 6,369,000 5,072,000  6,478,000 6,151,000 5,720,000  6,898,000 6,473,000 7,581,000  7,290,000 6,326,000 6,381,000 
      accrued income and other taxes
    		1,223,000 1,140,000  1,351,000 873,000 1,058,000  2,794,000 1,412,000 2,644,000  902,000 670,000 852,000  1,005,000 4,070,000 2,636,000 419,000 1,503,000 799,000 1,096,000 619,000 871,000 593,000 2,975,000 2,312,000 1,272,000 688,000 1,734,000 660,000 2,538,000 1,294,000 340,000 911,000 890,000 300,000 4,113,000 853,000 1,636,000 735,000 1,880,000 465,000 970,000 466,000 1,534,000 1,301,000 807,000 3,555,000 552,000 1,387,000 2,112,000 1,697,000 557,000 645,000 690,000 1,953,000 731,000 996,000 1,862,000 28,000 882,000 1,172,000 521,000 1,111,000 
      other non-current liabilities
    		3,944,000 4,452,000  4,861,000 5,646,000 5,617,000  7,800,000 9,589,000 9,222,000  14,839,000 14,248,000 13,315,000  12,215,000 11,380,000 12,472,000  13,065,000 12,549,000 11,922,000  10,599,000 10,394,000 10,102,000 10,981,000 10,965,000 9,969,000 10,556,000 11,167,000 10,597,000 13,057,000 12,775,000 12,577,000 11,797,000 12,466,000 12,934,000  12,968,000 13,331,000 13,453,000  13,712,000 13,666,000 13,321,000 11,901,000 11,736,000 10,502,000  9,303,000 9,149,000 9,301,000  9,038,000 8,816,000 8,475,000  7,596,000 7,150,000 7,017,000  6,433,000 7,965,000 7,580,000 
      stockholders’ equity:
    		                                                                 
      common stock
    		342,000 342,000  342,000 342,000 342,000  342,000 342,000 342,000  342,000 342,000 342,000  342,000 342,000 342,000 342,000 342,000 342,000 342,000 342,000 342,000 342,000 342,000 342,000 342,000 342,000 342,000 342,000 342,000 342,000 342,000  342,000 342,000 342,000 342,000 342,000 342,000 342,000 342,000           342,000    342,000    342,000    
      additional paid-in capital
    		67,911,000 67,472,000  67,165,000 66,946,000 66,382,000  66,244,000           52,043,000    50,391,000                31,592,000    29,998,000       24,331,000    20,356,000    19,130,000    14,140,000    
      retained earnings
    		377,176,000 380,665,000  379,213,000 380,152,000 377,380,000  373,163,000 368,165,000 362,313,000  352,717,000 347,954,000 342,221,000  333,523,000 329,494,000 323,733,000 317,745,000 312,563,000 305,846,000 298,690,000 291,761,000 286,520,000 279,807,000 273,240,000 261,777,000 256,035,000 247,958,000 236,300,000 230,611,000 224,810,000 215,118,000 208,977,000 202,894,000 192,129,000 185,915,000 180,290,000 174,362,000 169,883,000 163,502,000 158,130,000 152,630,000 169,228,000 163,104,000 158,002,000 149,227,000 143,453,000 137,292,000 131,286,000 132,793,000 128,244,000 123,539,000 131,769,000 128,894,000 125,151,000 121,091,000 117,554,000 114,263,000 110,865,000 107,205,000 91,708,000 101,339,000 97,690,000 94,451,000 
      treasury shares,1,660 at june 30, 2024 and 1,660 at december 31, 2023, at cost
    		-206,556,000                                                                 
      total stockholders’ equity
    		238,873,000 241,923,000  240,182,000 240,916,000 238,641,000  246,275,000 246,455,000 246,230,000  239,279,000 240,721,000 244,751,000  238,118,000 233,527,000 234,997,000 237,870,000 232,305,000 225,260,000 218,083,000 210,767,000 205,157,000 198,057,000 190,968,000 178,451,000 172,323,000 167,696,000 159,021,000 153,586,000 148,552,000 139,211,000 138,174,000 139,303,000 156,342,000 149,870,000 150,630,000 148,994,000 149,236,000 143,648,000 139,681,000 134,828,000 150,513,000 144,004,000 141,204,000 133,825,000 129,277,000 122,770,000 116,617,000 117,826,000 114,501,000 109,632,000 116,731,000 113,132,000 109,224,000 105,002,000 100,842,000 97,420,000 93,756,000 89,839,000 70,895,000 82,069,000 77,916,000 74,064,000 
      total liabilities and stockholders’ equity
    		260,354,000 258,627,000  264,809,000 266,825,000 261,429,000  271,954,000 275,317,000 271,638,000  268,934,000 267,638,000 268,843,000  263,032,000 260,350,000 260,430,000 262,031,000 256,751,000 248,751,000 241,018,000 231,216,000 227,743,000 218,782,000 212,253,000 202,126,000 192,671,000 187,789,000 180,563,000 172,989,000 170,187,000 162,936,000 159,677,000 158,990,000 178,920,000 172,330,000 175,200,000 172,066,000 173,108,000 167,341,000 161,901,000 155,810,000       134,652,000    132,749,000    115,353,000    95,772,000    
      treasury shares,1,660 at march 31, 2024 and 1,660 at december 31, 2023, at cost
    		 -206,556,000                                                                
      total current assets
    		  114,765,000    119,397,000    136,571,000    112,319,000 113,157,000   132,338,000    122,265,000                90,319,000    56,747,000       51,981,000    56,202,000    49,107,000    32,609,000    
      less: accumulated depreciation
    		  161,098,000    146,888,000    135,245,000    123,977,000    116,384,000    106,689,000                                           
      patents and licenses, net of accumulated amortization of 12,768 and12,655 in 2023 and 2022, respectively
    		  1,072,000                                                               
      37
    		                                                                 
      table of contents
    		                                                                 
      line of credit
    		   4,500,000 3,835,000                                                      3,000,000   11,399,000  4,700,000 6,502,000 
      treasury shares,1,660 at september 30, 2023 and 1,659 at december 31, 2022, at cost
    		   -206,538,000                                                              
      treasury shares,1,660 at june 30, 2023 and 1,659 at december 31, 2022, at cost
    		    -206,524,000                                                             
      less: accumulated depreciation and amortization
    		     150,208,000  143,857,000                                                          
      treasury shares, 1,660 at march 31, 2023 and 1,659 at december 31, 2022, at cost
    		     -205,463,000                                                            
      patents and licenses, net of accumulated amortization of 12,655 and 12,538 in 2022 and 2021, respectively
    		      1,185,000                                                           
      treasury shares, 1,640 at september 30, 2022 and 1,619 at december 31, 2021, at cost
    		       -193,474,000                                                          
      patents
    		        1,242,000 1,272,000  1,332,000 1,361,000 1,391,000  1,450,000 1,480,000 1,510,000  1,569,000 1,599,000 1,629,000  1,688,000 1,718,000 1,748,000 1,808,000 1,837,000 1,868,000 2,005,000 2,068,000 2,131,000 2,256,000 2,319,000 2,471,000 2,606,000 2,673,000 2,740,000  716,000 756,000 796,000  877,000 918,000 958,000 1,067,000 1,135,000 1,181,000  1,317,000 1,385,000 1,452,000  1,644,000 1,717,000 1,790,000  1,783,000 1,853,000 1,932,000  2,030,000 2,108,000 2,186,000 
      paid-in capital
    		        66,167,000 61,560,000  60,764,000 60,470,000 59,760,000  53,581,000 53,020,000 52,422,000  51,660,000 51,332,000 50,772,000  50,022,000 49,635,000 49,044,000 48,360,000 48,017,000 42,029,000 37,197,000 36,945,000 36,447,000 35,542,000 35,129,000 34,356,000 33,554,000 32,853,000 31,967,000  31,203,000 30,822,000 30,358,000  28,531,000 28,146,000 27,194,000 25,155,000 24,805,000 24,478,000  23,442,000 23,286,000 23,122,000  20,166,000 19,975,000 19,824,000  18,968,000 18,674,000 18,445,000  15,367,000 15,098,000 14,477,000 
      treasury shares, 1,632 at june 30, 2022 and 1,619 at december 31, 2021, at cost
    		        -188,219,000                                                         
      treasury shares,1,625 at march 31, 2022 and 1,619 at december 31, 2021, at cost
    		         -177,985,000                                                        
      patents and licenses, net of accumulated amortization of 12,538 and 12,419 in 2021 and 2020, respectively
    		          1,302,000                                                       
      35
    		                                                                 
      treasury shares,1,619 at september 30, 2021 and 1,594 at december 31, 2020, at cost
    		           -174,544,000                                                      
      treasury shares,1,609 at june 30, 2021 and 1,594 at december 31, 2020, at cost
    		            -168,045,000                                                     
      treasury shares,1,592 at march 31, 2021 and 1,594 at december 31, 2020, at cost
    		             -157,572,000                                                    
      assets:
    		                                                                 
      total eqiupment
    		              94,935,000                                                   
      patents and licenses, net of accumulated amortization of 12,419 and 12,301 in 2020 and 2019, respectively
    		              1,421,000                                                   
      total non- current assets
    		              13,429,000                                                   
      property, plant and equipment net
    		               91,053,000                                                  
      total other assets
    		               13,441,000                                                  
      total current liabilities
    		               12,699,000   11,274,000    10,220,000                9,364,000    7,208,000       7,752,000    6,682,000    6,213,000    6,923,000    
      treasury shares,1,591 at september 30, 2020 and 1,565 at december 31, 2019, at cost
    		               -149,328,000                                                  
      treasury shares,1,591 at june 30, 2020 and 1,565 at december 31, 2019, at cost
    		                -149,329,000                                                 
      treasury shares,1,580 at march 31, 2020 and 1,565 at december 31, 2019, at cost
    		                 -141,500,000                                                
      patents and licenses, net of accumulated amortization of 12,301 and 12,181 in 2019 and 2018, respectively
    		                  1,539,000                                               
      liabilities and stockholders’ equity:
    		                  2,019,000    2,018,000                2,013,000    2,012,000       2,010,000    2,009,000    2,008,000    2,006,000    
      accounts payable
    		                  5,707,000    5,082,000                4,088,000    3,843,000       2,550,000    2,529,000    2,438,000    3,387,000    
      accrued liabilities
    		                  5,148,000    4,519,000                4,423,000    2,900,000       4,650,000    3,596,000    3,044,000    2,654,000    
      other liabilities and deferred credits:
    		                                                                 
      deferred income taxes
    		                  8,496,000    6,687,000       580,000 580,000 580,000 573,000 573,000 573,000 1,376,000 1,376,000 1,376,000 1,376,000 623,000 623,000 623,000 623,000 755,000 755,000 755,000 625,000 625,000 625,000 625,000 596,000 596,000 596,000 596,000 596,000 596,000 596,000 596,000    607,000    
      total liabilities
    		                  24,161,000    20,449,000                23,072,000    20,982,000       18,035,000    16,018,000    14,511,000    24,877,000    
      commitments and contingencies
    		                                                                 
      accumulated other comprehensive loss
    		                                  -131,000                    -533,000 -533,000 -533,000 -533,000 -486,000 -486,000 -486,000 -892,000 -665,000 -892,000 -892,000 
      treasury shares, 1,565 shares in 2019 and 1,567 shares in 2018, at cost
    		                  -132,260,000                                               
      treasury shares, at september 30, 2019 and 1,567 at december 31, 2018, at cost
    		                   -132,260,000                                              
      treasury shares,1,565 at june 30, 2019 and 1,567 at december 31, 2018, at cost
    		                    -132,260,000                                             
      treasury shares,1,567 at march 31, 2019 and 1,567 at december 31, 2018, at cost
    		                     -131,721,000                                            
      patents and licenses, net of accumulated amortization of 12,181 and 12,062 in 2018 and 2017, respectively
    		                      1,659,000                                           
      treasury shares, 1,567 shares in 2018 and 1,568 shares in 2017, at cost
    		                      -131,727,000                                           
      treasury shares,1,567 at september 30, 2018 and 1,568 at december 31, 2017, at cost
    		                       -131,727,000                                          
      treasury shares,1,567 at june 30, 2018 and 1,568 at december 31, 2017, at cost
    		                        -131,727,000                                         
      treasury shares,1,584 at march 31, 2018 and 1,584 at december 31, 2017, at cost
    		                         -131,658,000                                        
      accumulated other comprehensive income
    		                          -365,000 -408,000 -787,000 -544,000 -38,000 215,000                                  
      treasury shares,1,584 at september 30, 2017 and 1,596 at december 31, 2016, at cost
    		                          -131,663,000                                       
      treasury shares,1,584 at june 30, 2017 and 1,596 at december 31, 2016, at cost
    		                           -131,663,000                                      
      treasury shares,1,583 at march 31, 2017 and 1,596 at december 31, 2016, at cost
    		                            -121,846,000                                     
      treasury shares,1,596 at september 30, 2016 and 1,596 at december 31, 2015, at cost
    		                             -114,274,000                                    
      treasury shares,1,596 at june 30, 2016 and 1,582 at december 31, 2015, at cost
    		                              -114,274,000                                   
      treasury shares,1,600 at march 31, 2016 and 1,596 at december 31, 2015, at cost
    		                               -113,262,000                                  
      accumulated other comprehensive income/
    		                                197,000 88,000                                
      treasury shares,1,595 at september 30, 2015 and 1,507 at december 31, 2014, at cost
    		                                -111,988,000                                 
      treasury shares,1,582 at june 30, 2015 and 1,507 at december 31, 2014, at cost
    		                                 -106,362,000                                
      10,000 shares, issued 3,420 shares
    		                                  342,000           342,000 342,000 342,000 342,000 342,000   342,000    342,000         
      treasury shares,1,557 at march 31, 2015 and 1,507
    		                                                                 
      at december 31, 2014, at cost
    		                                  -98,158,000                               
      treasury shares,1,473 at september 30, 2014 and 1,435 at december 31, 2013, at cost
    		                                   -69,683,000                              
      treasury shares,1,471 at june 30, 2014 and 1,435 at december 31, 2013, at cost
    		                                    -69,240,000                             
      treasury shares, 1,450 at march 31, 2014 and 1,435 at december 31, 2013, at cost
    		                                     -61,969,000                            
      patents and licenses, net of accumulated amortization of 11,032 and 10,853 in 2013 and 2012, respectively
    		                                      2,808,000                           
      treasury shares, 1,428 shares in 2013 and 1,399 shares in 2012, at cost
    		                                      -57,302,000                           
      treasury shares,1,417 at september 30, 2013 and 1,399 at december 31, 2012, at cost
    		                                       -52,192,000                          
      treasury shares, 1,412 at june 30, 2013 and 1,399 at december 31, 2012, at cost
    		                                        -51,000                         
      treasury shares,1,404 at march 31, 2013 and 1,399 at december 31, 2012, at cost
    		                                         -49,149,000                        
      patents and licenses, net of accumulated amortization of 10,853 and 10,691 in 2012 and 2011, respectively
    		                                          837,000                       
      treasury shares, 1,399 shares in 2012 and 1,404 shares in 2011, at cost
    		                                          -48,142,000                       
      prepaid expenses
    		                                           1,490,000 2,218,000 865,000 1,467,000 2,780,000 888,000  1,215,000 1,416,000 743,000  1,094,000 1,369,000 644,000  1,057,000 1,167,000 771,000  1,029,000 1,227,000 530,000 
      common shares, par value 0.10 per share; authorized 10,000 shares, issued 3,420 shares
    		                                           342,000 342,000      342,000 342,000   342,000 342,000   342,000 342,000 342,000  342,000 342,000 342,000 
      treasury shares,1,406 at september 30, 2012 and 1,404 at december 31, 2011, at cost
    		                                           -47,588,000                      
      treasury shares,1,406 at june 30, 2012 and 1,404 at december 31, 2011, at cost
    		                                            -47,588,000                     
      common shares, par value 0.10 per share; authorized
    		                                                                 
      treasury shares,1,410 at march 31, 2012 and 1,404
    		                                                                 
      at december 31, 2011, at cost
    		                                             -44,334,000                    
      treasury shares,1,404 at september 30, 2011 and 1,404
    		                                                                 
      at december 31, 2010, at cost
    		                                              -40,899,000 -39,323,000 -39,342,000                 
      treasury shares,1,396 at june 30, 2011 and 1,404
    		                                                                 
      treasury shares,1,404 at march 31, 2011 and 1,404
    		                                                                 
      of 36 and 61 in 2010 and 2009, respectively
    		                                                 11,521,000                
      patents and licenses, net of accumulated amortization of 10,419 and
    		                                                                 
      10,147 in 2010 and 2009, respectively
    		                                                 1,249,000                
      treasury shares, 1,404 shares in 2010 and 1,440 shares
    		                                                                 
      in 2009, at cost
    		                                                 -39,342,000                
      treasury shares,1,408 at september 30, 2010 and 1,440 at december 31, 2009, at cost
    		                                                  -38,751,000               
      treasury shares,1,398 at june 30, 2010 and 1,440 at december 31, 2009, at cost
    		                                                   -37,371,000              
      treasury shares,1,399 at march 31, 2010 and 1,440
    		                                                                 
      at december 31, 2009, at cost
    		                                                    -37,371,000             
      patents and licenses, net of accumulated amortization of 10,147 and 9,805 in 2009 and 2008, respectively
    		                                                     1,520,000            
      treasury shares, 1,440 shares in 2009 and 1,452 shares in 2008, at cost
    		                                                     -35,736,000            
      treasury shares, 1,440 at september 30, 2009 and 1,452 at december 31, 2008, at cost
    		                                                      -35,737,000           
      treasury shares,1,441 at june 30, 2009 and 1,452 at december 31, 2008, at cost
    		                                                       -35,711,000          
      treasury shares,1,441 at march 31, 2009 and 1,452
    		                                                                 
      at december 31, 2008, at cost
    		                                                        -35,722,000         
      patents and licenses, net of accumulated amortization of 9,805 and 9,507 in 2008 and 2007, respectively
    		                                                         1,863,000        
      treasury shares, 1,452 shares in 2008 and 1,509 shares in 2007, at cost
    		                                                         -35,651,000        
      treasury shares,1,453 at september 30, 2008 and 1,509 at december 31, 2007, at cost
    		                                                          -35,667,000       
      treasury shares,1,453 at june 30, 2008 and 1,509 at december 31, 2007, at cost
    		                                                           -35,639,000      
      treasury shares,1,459 at march 31, 2008 and 1,509 at december 31, 2007, at cost
    		                                                            -35,667,000     
      patents and licenses, net of accumulated amortization of 9,507 and 9,195 in 2007 and 2006, respectively
    		                                                             2,011,000    
      7,007
    		                                                             6,555,000    
      treasury shares, 1,509 shares in 2007 and 1,546 shares in 2006, at cost
    		                                                             -34,403,000    
      treasury shares,1,518 at september 30, 2007 and 1,546 at december 31, 2006, at cost
    		                                                              -34,314,000   
      treasury shares,1,520 at june 30, 2007 and 1,546 at december 31, 2006, at cost
    		                                                               -34,322,000  
      treasury shares,1,537 at march 31, 2007 and 1,546 at december 31, 2006, at cost
    		                                                                -34,314,000 
    The information provided in this report is taken from www.sec.gov and many other data providers. While we have conducted our best efforts to ensure that the parsed data is accurate, we cannot guarantee its accuracy. Please use caution and understand that any consequences of its use are your own responsibility.