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STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - EUR (€) | Share capital | Premiums related to share capital | Reserves | Net profit (loss) | Total
--- | --- | --- | --- | --- | ---
Balance at the beginning at Dec. 31, 2017 | € 164,445 | € 44,991,815 | € 35,599,000 | € (19,463,000) | € 61,292,000
Balance at the beginning (in shares) at Dec. 31, 2017 | 16,444,477 |  |  |  |
Net loss for the period |  |  |  | (33,014,000) | (33,014,000)
Other comprehensive income (loss) |  |  | 31,000 |  | 31,000
Total comprehensive loss |  |  | 31,000 | (33,014,000) | (32,983,000)
Appropriation of net loss |  |  | (19,463,000) | 19,463,000 |
Issue of ordinary shares | € 56,000 | 35,441,000 |  |  | 35,497,000
Issue of ordinary shares (in shares) | 5,572,500 |  |  |  |
Transaction costs |  | (3,079,000) |  |  | (3,079,000)
Exercise of BSAs/BSPCEs and vesting of AGAs | € 2,000 | 106,000 | (1,000) |  | 108,000
Exercise of BSAs/BSPCEs and vesting of AGAs (in shares) | 240,300 |  |  |  |
Share-based compensation expense |  |  | 833,000 |  | 833,000
Treasury shares |  |  | (72,000) |  | (72,000)
Balance at the end at Dec. 31, 2018 | € 222,573 | 77,460,125 | 16,927,000 | (33,014,000) | 61,596,000
Balance at the end (in shares) at Dec. 31, 2018 | 22,257,277 |  |  |  |
Net loss for the period |  |  |  | (30,218,000) | (30,218,000)
Other comprehensive income (loss) |  |  | (96,000) |  | (96,000)
Total comprehensive loss |  |  | (96,000) | (30,218,000) | (30,315,000)
Appropriation of net loss |  |  | (33,014,000) | 33,014,000 |
Issue of ordinary shares | € 45,000 | 8,858,000 |  |  | 8,903,000
Issue of ordinary shares (in shares) | 4,473,935 |  |  |  |
Transaction costs |  | (324,000) |  |  | (324,000)
Exercise of BSAs/BSPCEs and vesting of AGAs | € 1,000 | 18,000 | (1,000) |  | 18,000
Exercise of BSAs/BSPCEs and vesting of AGAs (in shares) | 114,900 |  |  |  |
BSA share warrants subscription premium |  |  | 57,000 |  | 57,000
Share-based compensation expense |  |  | 1,407,000 |  | 1,407,000
Treasury shares |  |  | 50,000 |  | 50,000
Balance at the end at Dec. 31, 2019 | € 268,461 | 86,011,893 | (14,670,000) | (30,218,000) | 41,392,000
Balance at the end (in shares) at Dec. 31, 2019 | 26,846,112 |  |  |  |
Net loss for the period |  |  |  | (33,619,000) | (33,619,000)
Other comprehensive income (loss) |  |  | (49,000) |  | (49,000)
Total comprehensive loss |  |  | (49,000) | (33,619,000) | (33,668,000)
Appropriation of net loss |  |  | (30,218,000) | 30,218,000 |
Issue of ordinary shares | € 113,000 | 108,986,000 |  |  | 109,099,000
Issue of ordinary shares (in shares) | 11,256,599,000 |  |  |  |
Transaction costs |  | (7,397,000) |  |  | (7,397,000)
Exercise of BSAs/BSPCEs and vesting of AGAs | € 5,000 | 67,000 | (5,000) |  | 67,000
Exercise of BSAs/BSPCEs and vesting of AGAs (in shares) | 527,550,000 |  |  |  |
BSA share warrants subscription premium |  |  | 13,000 |  | 13,000
Share-based compensation expense |  |  | 938,000 |  | 938,000
Appropriation of the issue premium |  | (48,000,000) | 48,000,000 |  |
Treasury shares |  |  | 768,000 |  | 768,000
Balance at the end at Dec. 31, 2020 | € 386,302 | € 139,667,603 | € 4,777,000 | € (33,619,000) | € 111,211,000
Balance at the end (in shares) at Dec. 31, 2020 | 38,630,261 |  |  |  | 38,630,261

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