7Baggers

DBV Technologies S.A
(NASDAQ:DBVT) 

DBVT stock logo

DBV Technologies S.A., a clinical-stage biopharmaceutical company, engages in the research and development of epicutaneous immunotherapy products. Its lead product candidate is Viaskin Peanut, an immunotherapy product, which has completed Phase III clinical trial for the treatment of peanut allergie...

Founded: 2002
Full Time Employees: 311
Sector: Healthcare
Industry: Biotechnology

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At a glance:
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Income Statements:
Quarterly
Annual
    Unit: USD2025-09-30 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 2020-01-29 2019-12-31 2019-06-30 2019-04-01 2018-12-31 2017-12-31 2016-12-31 2015-12-31 2014-12-31 
                                 
      operating income
    2,774,000 1,465,000 753,000 511,000 1,072,000 1,161,000 1,407,000 8,875,000 2,372,000 2,288,000 2,194,000 -1,304,000 2,074,000 1,529,000 2,546,000 2,932,000 1,323,000 -1,488,000 2,941,000           
      yoy
    158.77% 26.18% -46.48% -94.24% -54.81% -49.26% -35.87% -780.60% 14.37% 49.64% -13.83% -144.47% 56.76% -202.76% -13.43%               
      qoq
    89.35% 94.56% 47.36% -52.33% -7.67% -17.48% -84.15% 274.16% 3.67% 4.28% -268.25% -162.87% 35.64% -39.95% -13.17% 121.62% -188.91% -150.60%            
      operating expenses
                                 
      research and development expenses
    -28,615,000 -33,693,000 -21,483,000 -18,904,000 -23,662,000 -25,374,000 -21,403,000 -12,775,000 -13,795,000 -17,616,000 -16,037,000 -29,613,000 -15,096,000 -18,611,000 -12,223,000 -11,673,000 -16,320,000 -20,179,000 -22,164,000           
      sales and marketing expenses
    -1,178,000 -419,000 -262,000 -396,000 -519,000 -986,000 -758,000 -403,250 -663,000 -516,000 -434,000 -414,750 -159,000 -1,037,000 -464,000 -749,750 -1,072,000 -1,198,000 -729,000           
      general and administrative expenses
    -7,259,000 -8,463,000 -5,626,000 -5,072,000 -7,220,000 -8,643,000 -7,804,000 -5,576,000 -6,184,000 -9,231,000 -6,889,000 -4,293,250 -4,839,000 -5,704,000 -6,630,000 -6,562,500 -8,299,000 -8,269,000 -9,683,000           
      total operating expenses
    -37,051,000 -42,575,000 -27,370,000 -24,372,000 -31,401,000 -35,003,000 -29,964,000 -20,796,000 -20,642,000 -27,364,000 -23,359,000 -36,713,000 -20,094,000 -25,352,000 -19,317,000 -16,411,000 -25,691,000 -29,646,000 -32,575,000           
      income from operations
    -34,277,000 -41,111,000 -26,618,000 -23,861,000 -30,328,000 -33,842,000 -28,558,000 -11,920,000 -18,270,000 -25,076,000 -21,165,000 -38,017,000 -18,020,000 -23,823,000 -16,771,000 -13,477,000 -24,368,000 -31,134,000 -29,634,000           
      financial income
    1,113,000 -648,000 -461,000 853,000 -113,000 726,000 1,261,000 730,000 1,534,000 846,000 605,000 -1,241,000 732,000 784,000 152,000 -172,000 336,000 46,000 215,000           
      loss before taxes
    -33,164,000 -41,758,000 -27,079,000 -23,008,000 -30,442,000 -33,116,000 -27,297,000 -11,192,000 -16,736,000 -24,230,000 -20,561,000 -39,258,000 -17,287,000 -23,039,000 -16,619,000 -13,649,000 -24,033,000 -31,088,000 -29,419,000           
      income tax
     -117,000  -7,000   -48,000 6,000  -13,000  17,000   -87,000 -23,000  434,000 -30,000 84,000 -74,000  -8,000 -15,000      
      net income
    -33,164,000 -41,875,000 -27,079,000 -23,015,000 -30,442,000 -33,116,000 -27,345,000 -11,186,000 -16,736,000 -24,243,000 -20,561,000 -39,241,000 -17,287,000 -23,039,000 -16,706,000 -13,673,000 -24,033,000 -30,654,000 -29,449,000           
      yoy
    8.94% 26.45% -0.97% 105.75% 81.90% 36.60% 32.99% -71.49% -3.19% 5.23% 23.08% 187.00% -28.07% -24.84% -43.27%               
      qoq
    -20.80% 54.64% 17.66% -24.40% -8.07% 21.10% 144.46% -33.16% -30.97% 17.91% -47.60% 127.00% -24.97% 37.91% 22.18% -43.11% -21.60% 4.09%            
      foreign currency translation differences, net of taxes
    -480,000 7,209,000 686,000 -4,020,000 3,825,000 -1,001,000 -3,026,000 6,261,000 -3,996,000 -221,000 3,666,000 20,323,000 -15,425,000 -11,394,000 -1,933,000 -2,612,000 -3,728,000 2,788,000 -8,744,000           
      actuarial gains or losses on employee benefits, net of taxes
    -359,000                             
      comprehensive loss
    -34,003,000 -34,841,000 -26,261,000             -23,457,500 -27,733,000 -27,818,000 -38,279,000           
      basic/diluted net loss per share attributable to shareholders
    -0.24 -0.31 -0.26 -0.22 -0.32 -0.34 -0.28 -0.11 -0.17 -0.26 -0.22 -0.45 -0.18 -0.35 -0.3 -0.25 -0.44 -0.56 -0.54           
      weighted-average shares outstanding used in computing per share amounts:
    136,811,952 134,476,503 102,617,429 96,995,379 96,201,476 96,170,285 96,176,057  96,075,540 94,324,889 93,970,598  93,905,050 66,047,949   54,947,354 54,904,764 54,880,776           
      actuarial gains on employee benefits, net of taxes
     -175,000 132,000 196,000 -41,000 67,000 -59,000 -19,000 73,000 -10,000 -82,000 -2,000 41,000 200,000  45,000 28,000 48,000 -85,000           
      total comprehensive loss
       -22,784,500 -26,658,000 -34,051,000 -30,429,000 -4,943,000 -20,659,000 -24,475,000 -16,977,000 -18,921,000 -32,672,000 -34,234,000 -18,615,000               
      actuarial gains (loss) on employee benefits, net of taxes
                  24,000               
      weighted-average number of shares outstanding used in computing per share amounts:
           95,121,390    77,384,133   54,932,192 54,916,937    54,092,666          
      restructuring expenses
                                 
      other comprehensive loss
                                 
      revenues
                                 
      other income
                       2,477,500 9,910,000  7,062,000 14,537,000      
      total income
                       2,477,500 9,910,000  7,062,000 14,537,000      
      cost of goods sold
                                 
      research and development
                       -18,418,250 -73,673,000  -52,238,000       
      sales and marketing
                       -3,067,000 -12,268,000  -8,327,000       
      general and administrative
                       -8,700,750 -34,803,000  -25,825,000       
      total expenses
                       -30,186,250 -120,745,000  -86,389,000 -180,739,000      
      operating
                       -27,708,750 -110,835,000  -79,327,000 -166,202,000      
      financial revenues
                       124,500 498,000  491,000 493,000      
      financial expenses
                       129,000 -853,000  -966,000 -351,000      
      financial profit
                       -88,750 -355,000  -475,000 141,000      
      net
                       -27,816,000 -111,264,000  -79,810,000 -166,076,000      
      basic and diluted earnings per share
                       -0.818 -3.27  -2.43       
      research & development
                           -107,171,000      
      sales & marketing
                           -32,169,000      
      general & administrative
                           -41,399,000      
      basic/diluted
                           -5,740      
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-09-30 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 2020-01-29 2019-12-31 2019-09-30 2019-06-30 2019-04-01 2018-12-31 2017-12-31 2016-12-31 2015-12-31 2014-12-31 2013-12-31 
                                     
        assets
                                     
        current assets :
                                     
        cash and cash equivalents
      69,837,000 103,207,000 12,962,000 32,456,000 46,441,000 66,213,000 101,525,000 141,367,000 149,135,000 173,961,000 192,289,000 209,194,000 212,670,000 247,971,000 74,107,000 77,301,000 98,195,000 125,484,000 152,459,000 196,352,000  172,027,000   122,770,000 122,770,000 137,880,000 256,473,000 323,381 114,583,141  
        other current assets
      19,045,000 18,034,000 16,186,000 11,932,000 22,318,000 23,745,000 18,037,000 17,548,000 20,136,000 21,578,000 17,946,000 13,880,000 13,025,000 11,981,000 16,329,000 37,085,000 11,943,000 13,107,000 7,349,000 8,792,000  8,021,000   21,131,000 21,131,000 17,721,000 14,454,000 11,512 6,722,563  
        total current assets
      88,882,000 121,241,000 29,148,000 44,388,000 68,759,000 89,958,000 119,562,000 158,915,000 169,270,000 195,539,000 210,236,000 223,074,000 225,695,000 259,953,000 90,437,000 114,386,000 110,138,000 138,592,000 159,809,000 207,375,000 145,468 182,086,000  145,468 145,468,000 145,468,000 156,865,000 272,177,000 334,893 121,565,887  
        property, plant, and equipment
      10,536,000 11,055,000 10,813,000 11,306,000 12,984,000 12,874,000 12,913,000 12,623,000 13,094,000 14,135,000 14,786,000 15,096,000 14,429,000 15,677,000 17,196,000 18,146,000 19,273,000 20,579,000 21,526,000 24,792,000 20,219 22,270,000  20,219 20,219,000 20,219,000 17,808,000 12,482,000 5,581 2,224,928  
        right-of-use assets related to operating leases
      5,594,000 5,775,000 5,613,000 5,502,000 5,988,000 5,959,000 6,551,000 5,247,000 1,389,000 1,832,000 2,127,000 2,513,000 2,614,000 3,146,000  7,336,000 7,876,000 8,630,000 9,168,000 10,104,000            
        intangible assets
      21,000 26,000 29,000 40,000 43,000 46,000 52,000 58,000 61,000 68,000 10,000 10,000 11,000 14,000 18,000 22,000 26,000 25,000 32,000 41,000 29 43,000  29 29,000 29,000 123,000 96,000 94 28,835  
        other non-current assets
      5,462,000 5,333,000 4,960,000 4,423,000 5,280,000 5,353,000 6,818,000 6,144,000 5,970,000 5,944,000 5,771,000 5,824,000 5,368,000 6,189,000 6,575,000 6,833,000 33,612,000 32,758,000 30,870,000 29,935,000 6,033 16,488,000          
        total non-current assets
      21,613,000 22,188,000 21,414,000 21,271,000 24,296,000 24,232,000 26,334,000 24,071,000 20,513,000 21,979,000 22,693,000 23,444,000 22,422,000 25,025,000 27,144,000 32,338,000 60,786,000 61,992,000 61,596,000 64,871,000 50,074 59,390,000  50,074 26,281,000 26,281,000 20,942,000 15,323,000 8,387 3,849,624  
        total assets
      110,495,000 143,429,000 50,562,000 65,658,000 93,055,000 114,190,000 145,895,000 182,986,000 189,783,000 217,518,000 232,929,000 246,518,000 248,117,000 284,978,000 117,581,000 146,723,000 170,924,000 200,584,000 221,405,000 272,246,000 195,542 241,476,000  195,542 171,749,000 171,749,000 177,807,000 287,500,000 343,280 125,415,511 46,236,009 
        liabilities and shareholders' equity
                                     
        current liabilities:
                                     
        trade payables
      39,816,000 40,792,000 34,146,000 22,032,000 22,500,000 19,818,000 18,076,000 23,302,000 16,654,000 19,094,000 19,938,000 14,473,000 15,369,000 16,341,000 11,416,000 11,429,000 12,170,000 16,335,000 17,176,000 20,338,000            
        short-term operating leases
      1,001,000 998,000 709,000 654,000 374,000 380,000 232,000 1,144,000 1,522,000 1,944,000 1,923,000 1,894,000 1,381,000 1,968,000 2,034,000 3,003,000 2,657,000 2,761,000 3,314,000 3,708,000            
        current contingencies
      218,000 117,000 82,000 122,000 253,000 1,023,000 3,153,000 3,959,000 4,596,000 5,076,000 4,142,000 3,944,000 3,026,000 3,189,000 3,529,000 4,095,000 5,633,000 6,227,000 4,246,000 5,016,000            
        other current liabilities
      8,449,000 7,518,000 5,447,000 8,328,000 7,786,000 6,160,000 5,023,000 8,934,000 8,671,000 7,258,000 6,776,000 9,210,000 8,615,000 8,778,000 8,719,000 12,361,000 12,659,000 12,666,000 13,394,000 22,926,000 12,189 22,197,000  12,189 12,506,000 12,506,000 15,751,000 14,692,000 5,838 3,436,329  
        total current liabilities
      49,485,000 49,425,000 40,384,000 31,136,000 30,913,000 27,381,000 26,483,000 37,339,000 31,443,000 33,373,000 32,778,000 29,521,000 28,391,000 30,431,000 26,031,000 31,397,000 33,814,000 38,698,000 38,831,000 52,713,000 46,200 48,068,000  46,200 43,543,000 43,543,000 35,930,000 29,002,000 16,021 5,551,650 4,234,096 
        long-term operating leases
      6,690,000 6,696,000 6,525,000 6,297,000 7,038,000 6,783,000 6,793,000 4,526,000 94,000 187,000 680,000 1,127,000 1,423,000 1,945,000 2,268,000 7,147,000 8,298,000 9,155,000 9,533,000 10,496,000            
        non-current contingencies
      1,466,000 1,084,000 780,000 838,000 1,070,000 931,000 965,000 935,000 11,553,000 15,731,000 15,989,000 16,680,000 5,272,000 6,421,000 5,758,000 6,758,000 7,629,000 6,064,000 2,229,000 2,527,000            
        total non-current liabilities
      8,156,000 7,780,000 7,305,000 7,135,000 8,109,000 7,714,000 7,758,000 5,461,000 14,349,000 19,905,000 21,056,000 22,543,000 7,674,000 10,130,000  16,052,000 20,218,000 18,867,000 13,398,000 14,042,000 28,055 21,845,000  28,055 6,919,000 6,919,000 11,954,000 15,649,000 5,183 4,418,902  
        total liabilities
      57,641,000 57,205,000 47,688,000 38,271,000 39,021,000 35,095,000 34,241,000 42,799,000 45,792,000 53,277,000 53,834,000 52,064,000 36,065,000 40,562,000 35,519,000 47,449,000 54,033,000 57,565,000 52,229,000 66,754,000           5,841,324 
        shareholders’ equity :
                                     
        ordinary shares, €0.10 par value; 136,975,159 and 102,847,501 shares authorized, and issued as at september 30, 2025 and december 31, 2024, respectively
      15,394,000                               
        additional paid-in capital
      392,062,000 391,546,000 317,313,000 315,613,000 316,102,000 314,513,000 379,426,000 377,468,000 376,249,000 375,759,000 459,852,000 458,221,000 456,884,000 456,447,000 359,478,000 358,115,000 359,081,000 357,530,000 1,153,516,000 1,152,042,000            
        treasury stock
      -1,123,000 -1,238,000 -1,263,000 -1,309,000 -1,351,000 -1,358,000 -1,325,000 -1,263,000 -1,163,000 -1,082,000 -1,123,000 -1,109,000 -1,083,000 -953,000 -1,193,000 -1,232,000 -810,000 -866,000 -681,000 -1,169,000            
        accumulated deficit
      -348,301,000 -315,136,000 -313,454,000 -286,375,000 -263,332,000 -232,890,000 -266,207,000 -238,862,000 -227,677,000 -210,940,000 -280,138,000 -259,578,000 -220,337,000 -203,050,000 -275,219,000 -258,528,000 -244,856,000 -220,823,000 -987,992,000 -958,543,000            
        accumulated other comprehensive income
      502,000 861,000 1,036,000 905,000 709,000 750,000 683,000 742,000 761,000 687,000 698,000 781,000 783,000 743,000 543,000 519,000 474,000 446,000 399,000 484,000            
        accumulated currency translation effect
      -5,681,000 -5,202,000 -12,411,000 -13,097,000 -9,073,000 -12,898,000 -11,897,000 -8,871,000 -15,132,000 -11,136,000 -10,915,000 -14,581,000 -34,904,000 -19,480,000 -8,086,000 -6,137,000 -3,526,000 203,000 -2,586,000 6,158,000            
        total shareholders’ equity
      52,854,000 86,224,000 2,873,000 27,387,000 54,034,000 79,095,000 111,654,000 140,187,000 143,991,000 164,240,000 179,094,000 194,453,000 212,052,000 244,416,000 82,062,000 99,274,000 116,892,000 143,019,000 169,176,000 205,491,000 121,286 171,563,000  121,286 121,286,000 121,286,000 129,923,000 242,849,000 322,076 115,444,959 40,394,685 
        total liabilities and shareholder's equity
      110,495,000 143,429,000 50,562,000 65,658,000 93,055,000                           
        ordinary shares, €0.10 par value; 136,973,697 and 102,847,501 shares authorized, and issued as at june 30, 2025 and december 31, 2024, respectively
       15,393,000                              
        ordinary shares, €0.10 par value; 102,858,868 and 102,847,501 shares authorized, and issued as at march 31, 2025 and december 31, 2024, respectively
        11,652,000                             
        non-current liabilities:
                                     
        shareholders’ equity:
                                     
        ordinary shares, €0.10 par value; 102,847,501 and 96,431,770 shares authorized, and issued as at december 31, 2024 and december 31, 2023, respectively,
         11,651,000                            
        other non-current liabilities
              2,702,000 3,987,000 4,387,000 4,735,000 979,000 1,764,000 1,461,000 2,147,000 4,292,000 3,471,000 1,286,000 475,000 2,559 71,000  2,559 4,105,000 4,105,000 8,869,000 10,746,000    
        ordinary shares, €0.10 par value; 96,501,526 and 96,431,770 shares authorized, and issued as at september 30, 2024 and december 31, 2023, respectively
          10,979,000                           
        liabilities and shareholders’ equity
                                     
        ordinary shares, €0.10 par value; 96,493,078 and 96,431,770 shares authorized, and issued as at june 30, 2024 and december 31, 2023, respectively
           10,978,000                          
        total liabilities and shareholder’s equity
           114,190,000         117,581,000    221,405,000 272,246,000            
        current assets:
                                     
        ordinary shares, €0.10 par value; 96,434,369 and 96,431,770 shares authorized, and issued as of march 31, 2024 and december 31, 2023, respectively
            10,972,000                         
        total liabilities and shareholders’ equity
            145,895,000 182,986,000 189,783,000 217,518,000 232,929,000 246,518,000 248,117,000 284,978,000  146,723,000 170,924,000 200,584,000   195,542 241,476,000  195,542 171,749,000 171,749,000 177,807,000 287,500,000 343,280 125,415,511 46,236,009 
        trade receivables
                         2,230,000            
        current liabilities
                                     
        short-term financial debt
                   156,000 333,000 510,000 695,000 710,000 701,000 724,000 1,201 577,000  1,201 1,201,000 1,201,000 2,325,000 591,000 149 212,736  
        long-term financial debt
                       177,000 350,000 543,000 1,278 721,000  1,278 1,278,000 1,278,000 1,825,000 4,049,000 4,693 3,888,170  
        ordinary shares, €0.10 par value; 96,431,770 and 94,137,145 shares authorized, and issued as at december 31, 2023 and 2022, respectively
             10,972,000                        
        ordinary shares, €0.10 par value; 96,253,553 and 94,137,145 shares authorized, and issued as of september 30, 2023 and december 31, 2022, respectively
              10,953,000                       
        ordinary shares, €0.10 par value; 96,250,954 and 94,137,145 shares authorized, and issued as of june 30, 2023 and december 31, 2022, respectively
               10,952,000                      
        ordinary shares, €0.10 par value; 94,147,319 and 94,137,145 shares authorized, and issued as of march 31, 2023 and december 31, 2022, respectively
                10,721,000                     
        ordinary shares, €0.10 par value; 94,137,145 and 55,095,762 shares authorized, and issued as at december 31, 2022 and 2021, respectively
                 10,720,000                    
        ordinary shares, €0.10 par value; 94,025,441 and 55,095,762 shares authorized, and issued as at september 30, 2022 and december 31, 2021, respectively
                  10,709,000                   
        ordinary shares, €0.10 par value; 94,022,679 and 55,095,762 shares authorized, and issued as at june 30, 2022 and december 31, 2021, respectively
                   10,708,000                  
        right of use assets related to operating leases
                    3,356,000                 
        ordinary shares, €0.10 par value; 55,096,537 and 55,095,762 shares authorized, and issued as at march 31, 2022 and december 31, 2021, respectively
                    6,539,000                 
        ordinary shares, €0.10 par value; 55,095,762 and 54,929,187 shares authorized, and issued as at december 31, 2021 and 2020, respectively, and 5,128,423 and 4,036,263 shares outstanding as at at december 31, 2021 and 2020, respectively
                     6,538,000                
        ordinary shares, €0.10 par value; 55,011,687 and 54,929,187 shares authorized, and issued as at september 30, 2021 and december 31, 2020, respectively, and 3,946,548 and 4,029,763 shares outstanding as at september 30, 2021 and december 31, 2020, respectively
                      6,529,000               
        ordinary shares, €0.10 par value; 55,011,687 and 54,929,187 shares authorized, and issued as at june 30, 2021 and december 31, 2020, respectively, and 3,943,548 and 4,029,763 shares outstanding as at june 30, 2021 and december 31, 2020, respectively
                       6,529,000              
        ordinary shares, €0.10 par value; 54,936,687 and 54,929,187 shares authorized, and issued as at march 31, 2021 and december 31, 2020, respectively, and 4,100,663 and 4,029,763 shares outstanding as at march 31, 2021 and december 31, 2020, respectively
                        6,519,000             
        inventories and work in progress
                                   124,071  
        liabilities and shareholder’s equity
                                     
        ordinary shares, €0.10 par value ; 54,929,187 and 47,028,510 shares authorized, and issued as at december 31, 2020 and 2019, respectively, and 4,036,263 and 4,026,688 shares outstanding as at december 31, 2020 and 2019, respectively
                         6,518,000            
        right-of-use assets related to leases
                          23,792 20,589,000  23,792        
        liabilities
                                     
        shareholders’ equity
                                     
        non-current liabilities
                                     
        long-term lease debt
                          22,682 19,579,000  22,682        
        non-current provisions
                          1,536 1,474,000  1,536 1,536,000 1,536,000 1,260,000 853,000 490 530,732  
        short-term lease debt
                          2,973 3,282,000  2,973        
        current provisions
                          1,270 644,000  1,270 1,270,000 1,270,000 913,000     
        supplier accounts payable
                          28,567 21,368,000  28,567 28,567,000 28,567,000 16,941,000 13,720,000    
        non-current assets
                                     
        current assets
                                     
        inventories
                           2,038,000   1,566,000 1,566,000      
        customer accounts receivable and related receivables
                                1,265,000   136,112  
        share capital
                           4,703,000   3,016,000 3,016,000 2,499,000 2,465,000 2,421 1,916,066  
        premiums related to the share capital
                           725,460,000   539,292,000 539,292,000 406,709,000 405,882,000 403,910 163,876,789  
        reserves
                           -405,014,000   -254,946,000 -254,946,000 -131,592,000  -39,580 -26,336,016  
        net
                           -153,587,000   -166,076,000 -166,076,000 -147,693,000 -114,531,000 -44,674   
        bank overdrafts
                                   27,956  
        other non-current financial assets
                             6,033 6,033,000 6,033,000 3,012,000 2,745,000 2,711 1,595,861  
        customer accounts receivable
                                 1,250,000    
        reserve
                                 -50,968,000    
        supplier accounts payable and related payables
                                  10,034 1,874,629  
        net profit
                                   -24,011,880  
        trade non-current liabilities
                                    1,607,228 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-09-30 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 2019-06-30 2019-04-01 
                              
          net loss for the period
        -33,164,000 -41,875,000 -27,079,000 -23,015,000 -30,442,000 -33,116,000 -27,345,000 -11,186,000 -16,736,000 -24,243,000 -20,561,000 -39,241,000 -17,287,000   -13,673,000 -24,033,000 -30,654,000 -29,449,000    
          adjustments to reconcile net loss to net cash from operating activities:
                      -16,706,000        
          depreciation, amortization and accrued contingencies
        792,000 760,000 952,000 638,000 -152,000 -1,464,000 53,000 -10,926,000 -3,441,000 597,000 -228,000 12,022,000 -109,000 1,848,000 -599,000 -1,329,000 1,086,000 7,136,000 1,483,000    
          expenses related to share-based payments
        516,000 1,245,000 1,702,000 -453,000 1,590,000 1,525,000 1,958,000 1,219,000 1,354,000 1,814,000 1,632,000 1,610,000 975,000 1,078,000 1,363,000 -956,000 1,551,000 1,094,000 1,433,000   25,904,000 
          inventory write-downs
        3,680,000 5,965,000 4,286,000                    
          other elements
        12,000 537,000 465,000 -585,000      -4,000 -3,000 -558,000 2,057,000 -387,000 -456,000   752,000 
          changes in operating assets and liabilities:
                              
          decrease in inventories and work in progress
        -3,680,000 -5,965,000 -4,286,000                    
          decrease in other current assets
        -994,000 -295,000 -3,662,000 8,782,000 1,830,000 -5,148,000 -835,000 2,055,000 631,000 -3,383,000 -3,098,000 61,000 -2,536,000 2,978,000 20,458,000 458,000 -643,000 -7,976,000 -417,000    
          increase in trade payables
        -638,000 3,978,000 10,943,000 1,362,000 1,955,000 1,760,000 -4,805,000 6,729,000 -1,728,000 -1,059,000 4,478,000 -2,243,000 -195,000 5,913,000 -19,000 -424,000 -3,970,000 -598,000 -2,567,000    
          increase in other current and non-current liabilities
        868,000 1,577,000 -3,104,000  1,352,000 1,188,000 -3,765,000 -2,787,000 366,000 76,000 -2,989,000 3,557,000 -365,000 1,078,000 -4,118,000 -2,102,000 1,111,000 1,372,000 -7,980,000    
          change in operating lease liabilities and right of use assets
        174,000 168,000 115,000 -485,000 773,000 141,000 56,000 1,191,000 -64,000 577,000 -42,000 305,000 -575,000 -130,000 -1,849,000   -416,000 -353,000    
          net cash flow used in operating activities
        -32,435,000           -23,885,000 -20,048,000 -10,250,000 -1,483,000 -18,790,000 -22,949,000 -30,299,000 -36,204,000   -136,620,000 
          cash flows from investing activities :
                              
          change in property, plant, and equipment
        -117,000 -32,000 -10,000                    
          change in non-current financial assets
        -125,000 -5,000 -366,000                    
          net cash flows from investing activities
        -241,000 -38,000 -375,000   691,000 -2,132,000 -187,000 -322,000 -341,000 42,000 -34,000 152,000 -229,000 11,000 -474,000 54,000 172,000 -185,000   -8,641,000 
          cash flows from financing activities :
                              
          treasury shares
        116,000 25,000 45,000 41,000 7,000 -33,000 -62,000 -208,000 27,000 41,000 -14,000 -26,000 -130,000 239,000 40,000 543,000 -997,000 60,000 578,000   -479,000 
          capital increases, net of transaction costs
        14,000       19,000 -864,000   -261,000 -538,000   752,000 42,000   133,099,000 
          net cash flows from financing activities
        130,000   675,000 7,000 -33,000 -62,000 -189,000 -837,000 7,807,000 -14,000 -283,000 -818,000 195,350,000 -129,000 377,000 -1,174,000 631,000 440,000   130,676,000 
          effect of exchange rate changes on cash and cash equivalents
        -825,000 7,242,000 504,000 -3,203,000 2,788,000 -896,000 -2,957,000 6,294,000 -4,095,000 -241,000 3,909,000 20,725,000 -14,586,000 -11,006,000 -1,594,000 -2,008,000 -3,220,000 2,521,000 -7,944,000    
          net increase in cash and cash equivalents
        -33,371,000 90,246,000 -19,494,000 -13,988,000 -19,771,000 -35,312,000 -39,842,000 -7,768,000 -24,827,000 -18,327,000 -16,905,000 -3,476,000 -35,301,000   -20,894,000 -27,289,000 -26,975,000 -43,893,000    
          net cash and cash equivalents at the beginning of the period
        32,456,000 141,367,000 209,194,000 77,301,000 196,352,000   137,880,000 
          net cash and cash equivalents at the end of the period
        -33,370,000 90,245,000 12,962,000 -13,985,000 -19,772,000 -35,312,000 101,525,000 -7,768,000 -24,826,000 -18,328,000 192,289,000 -3,476,000 -35,301,000 173,864,000 74,107,000 -20,894,000 -27,289,000 -26,975,000 152,459,000    
          net cash flow (used in) operating activities
          -19,668,000                    
          cash flows (used) / provided by financing activities :
                              
          net cash flows (used) / provided by financing activities
          45,000                    
          retirement pension obligations
            54,000 41,000 -8,000 18,000 47,000 46,000 -35,000 47,000 44,000 23,000 -9,000 57,000 70,000     295,000 
          increase in other current liabilities
                              
          change in intangible assets
                              
          change in non-current assets
                              
          adjustments to reconcile net loss to net cash flow from operating activities:
                              
          net cash flow from operating activities
            -22,457,000 -35,073,000 -34,692,000  -19,573,000 -25,553,000 -20,841,000            
          acquisitions of property, plant, and equipment
            -396,000 -732,000 -1,335,000    -111,000 -12,000   -131,000       -4,710,000 
          proceeds from property, plant, and equipment dispositions
                   5,000          
          acquisitions of non-current financial assets
              -858,000 -231,000 -27,000   26,000 130,000 -239,000 -40,000 -122,000   -1,000   -3,890,000 
          proceeds of non-current financial assets dispositions
            458,000                  
          net cash flows from (used in) investing activities
                              
          increase in conditional advances
                       -171,000 -173,000 -181,000 -164,000    
          cash flows from investing activities:
                              
          proceeds from non-current financial assets dispositions
              62,000 396,000 -246,000 -149,000 153,000            
          cash flows from financing activities:
                              
          decrease in trade receivables
                       -24,000 -1,000 74,000 2,101,000    
          acquisitions of intangible assets
                            -41,000 
          other cash flows related to financing activities
                       6,000 -4,000 -17,000   -144,000 
          acquisitions of property, plant, and equipment, net from proceeds
                -50,000        59,000 171,000 -184,000    
          decrease in conditional advances
                    -151,000          
          acquisition of intangible assets
                              
          proceeds from non-current financial assets
                    396,000 247,000 179,000        
          proceeds from property, plant and equipment dispositions
                      3,000        
          (decrease) in conditional advances
                      -168,000       -1,800,000 
          net decrease in cash and cash equivalents
                      -3,194,000        
          change in operating lease liabilities and right—of—use assets
                              
          acquisitions of property, plant, and equipment, net form proceeds
                              
          net
                              
          actuarial gains and losses on employee benefits, net of corporate tax
                              
          gain directly recognized in shareholders’ equity
                              
          other comprehensive income
                              
          total comprehensive
                              
          net profit for the period
                              
          reconciliation of the net profit (or loss) and the cash from the operating activities:
                              
          amortization and depreciation
                              
          expenses related to share-based compensation
                              
          operating cash flows before change in working capital
                             -136,294,000 
          inventories
                             -1,566,000 
          customer accounts receivable
                             1,229,000 
          other current and non-current assets
                              
          supplier accounts payable
                             9,095,000 
          other current and non-current liabilities
                             -6,493,000 
          change in working capital requirement
                             -326,000 
          cash flows from investing activities
                              
          net cash flows from investment activities
                              
          cash flows from financing activities
                              
          repayment of lease liabilities
                              
          interest paid on lease liabilities
                              
          (decrease) in cash
                             -14,586,000 
          cash and cash equivalents at beginning period
                              
          impact of exchange rate fluctuations
                             -525,000 
          cash and cash equivalents at the close of the period
                              
          net (loss) for the period
                             -166,076,000 
          reconciliation of the net (loss) and the cash from operating activities:
                              
          cash flows from operating activities:
                              
          amortization and provision
                             2,830,000 
          other current assets
                             -2,591,000 
          increase in cash
                              
          net cash and cash equivalents at the close of the period
                             122,770,000 
          reconciliation of the net (loss) and the cash from the operating activities:
                              
          at january 1, 2016
                             -39,580,000 
          foreign exchange translation
                             -743,000 
          profit directly recognized in shareholders’ equity
                             -249,000 
          total (loss) directly recognized in shareholders’ equity
                             -992,000 
          allocation of prior
                             -44,674,000 
          increase in capital
                              
          issue of share warrants
                              
          share-based payments
                             34,353,000 
          at december 31, 2016
                             -50,968,000 
          (loss) directly recognized in shareholders’ equity
                             -177,000 
          at december 31, 2017
                             -131,592,000 
          at december 31, 2018
                             -254,946,000 
          patents, licenses, trademarks
                              
          software
                              
          total historical cost
                              
          accumulated amort. of patents, licenses, and trademarks
                              
          accumulated depreciation of software packages
                              
          accumulated amortization and depreciation
                              
          net total
                              
          cash flows used in operating activities:
                              
          cash flows used in investing activities:
                              
          net cash flows used in investing activities
                              
          net cash at the beginning of the period
                              
          net cash at the close of the period
                              
          at january 1, 2015
                              
          at december 31, 2015
                              
          total, gross
                              
          accumulated amortization of patents, licenses, and trademarks
                              
          total