Share capital and share based payments - Disclosure of Changes in Share Capital (Details) - EUR (€)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
12 Months Ended |
|
Dec. 31, 2025 |
Dec. 18, 2025 |
Nov. 27, 2025 |
Nov. 17, 2025 |
Aug. 18, 2025 |
Jul. 31, 2025 |
Jul. 25, 2025 |
Jul. 17, 2025 |
Jul. 03, 2025 |
May 05, 2025 |
Apr. 24, 2025 |
Dec. 31, 2024 |
Dec. 05, 2024 |
Jul. 05, 2024 |
Jun. 10, 2024 |
Dec. 31, 2023 |
Dec. 15, 2023 |
Oct. 03, 2023 |
Sep. 18, 2023 |
Jul. 06, 2023 |
Apr. 14, 2023 |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Balance at beginning of period |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
€ 8,834,000
|
€ 51,901,000
|
€ 54,151,000
|
|
| Nominal value (in EUR per share) |
€ 0.05
|
|
|
|
|
|
|
|
|
|
|
€ 0.05
|
|
|
|
€ 0.05
|
|
|
|
|
|
€ 0.05
|
€ 0.05
|
€ 0.05
|
€ 0.05
|
| Exercise and subscription of equity instruments |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
€ 49,000
|
€ 94,000
|
€ 395,000
|
|
| Share-based payment |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2,567,000
|
3,944,000
|
4,256,000
|
|
| Balance at end of period |
€ (21,704,000)
|
|
|
|
|
|
|
|
|
|
|
€ 8,834,000
|
|
|
|
€ 51,901,000
|
|
|
|
|
|
€ (21,704,000)
|
€ 8,834,000
|
€ 51,901,000
|
|
| Exercise of share warrants |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Nominal value (in EUR per share) |
|
|
|
|
|
|
|
|
|
|
€ 0.05
|
|
|
|
€ 0.05
|
|
|
|
|
€ 0.05
|
€ 0.05
|
|
|
|
|
| Common shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Nominal value (in EUR per share) |
|
€ 0.05
|
€ 0.05
|
€ 0.05
|
€ 0.05
|
€ 0.05
|
|
€ 0.05
|
€ 0.05
|
€ 0.05
|
€ 0.05
|
|
€ 0.05
|
€ 0.05
|
0.05
|
|
|
|
€ 0.05
|
|
0.05
|
|
|
|
|
| Definitive acquisition of free shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Nominal value (in EUR per share) |
|
|
|
|
|
|
|
|
|
|
|
€ 0.05
|
|
|
€ 0.05
|
€ 0.05
|
|
€ 0.05
|
|
|
€ 0.05
|
|
€ 0.05
|
€ 0.05
|
|
| Subsciption of share warrants |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Nominal value (in EUR per share) |
|
|
|
|
|
|
€ 0
|
|
|
|
|
|
|
|
|
|
€ 0
|
|
|
|
|
|
|
|
|
| Common shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Balance at beginning of period (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
83,830,336
|
80,860,563
|
80,212,069
|
|
| Nominal value (in EUR per share) |
€ 0.05
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
€ 0.05
|
|
|
|
| Exercise and subscription of equity instruments (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,543,000
|
1,137,000
|
648,000
|
|
| Balance at end of period (in shares) |
93,719,323
|
|
|
|
|
|
|
|
|
|
|
83,830,336
|
|
|
|
80,860,563
|
|
|
|
|
|
93,719,323
|
83,830,336
|
80,860,563
|
|
| Common shares | Exercise of share warrants |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Exercise and subscription of equity instruments (in shares) |
|
|
|
|
|
|
|
|
|
|
8,345,387
|
|
|
|
|
|
|
|
|
66,410
|
14,550
|
|
|
|
|
| Common shares | Common shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Exercise and subscription of equity instruments (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
1,832,899
|
|
38,100
|
|
|
|
650
|
|
60,300
|
|
|
|
|
| Exercise and subscription of equity instruments through conversion (in shares) |
1,521,500
|
1,300
|
7,150
|
3,900
|
650
|
650
|
|
650
|
7,150
|
650
|
|
|
|
1,950
|
|
|
|
|
|
|
|
|
|
|
|
| Common shares | Definitive acquisition of free shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Exercise and subscription of equity instruments (in shares) |
|
|
|
|
|
|
|
|
|
|
|
1,028,080
|
|
|
68,744
|
|
|
128,061
|
|
|
163,293
|
|
|
|
|
| Exercise and subscription of equity instruments through conversion (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
215,230
|
|
|
|
|
|
|
|
|
|
| Common shares | Subsciption of share warrants |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Exercise and subscription of equity instruments (in shares) |
|
|
|
|
|
|
0
|
|
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
|
|
| Preferred shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Balance at beginning of period (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
14,075
|
14,090
|
14,095
|
|
| Balance at end of period (in shares) |
13,905
|
|
|
|
|
|
|
|
|
|
|
14,075
|
|
|
|
14,090
|
|
|
|
|
|
13,905
|
14,075
|
14,090
|
|
| Preferred shares | Exercise of share warrants |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Exercise and subscription of equity instruments (in shares) |
|
|
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
|
|
0
|
0
|
|
|
|
|
| Preferred shares | Common shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Exercise and subscription of equity instruments (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
0
|
|
0
|
|
|
|
5
|
|
0
|
|
|
|
|
| Exercise and subscription of equity instruments through conversion (in shares) |
|
(10)
|
(55)
|
(30)
|
(5)
|
(5)
|
|
(5)
|
(55)
|
(5)
|
|
|
|
(15)
|
|
|
|
|
|
|
|
|
|
|
|
| Preferred shares | Definitive acquisition of free shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Exercise and subscription of equity instruments (in shares) |
|
|
|
|
|
|
|
|
|
|
|
0
|
|
|
0
|
|
|
0
|
|
|
0
|
|
|
|
|
| Exercise and subscription of equity instruments through conversion (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
|
|
|
| Preferred shares | Subsciption of share warrants |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Exercise and subscription of equity instruments (in shares) |
|
|
|
|
|
|
0
|
|
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
|
|
| Share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Balance at beginning of period |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
€ 4,192,221
|
€ 4,043,733
|
€ 4,011,308
|
|
| Exercise and subscription of equity instruments |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
77,000
|
57,000
|
32,000
|
|
| Share issue related cost |
|
|
|
|
|
|
|
|
|
|
|
|
€ 0
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-based payment |
€ 0
|
|
|
|
|
|
|
|
|
|
|
€ 0
|
|
|
|
€ 0
|
|
|
|
|
|
|
|
|
|
| Balance at end of period |
4,686,661
|
|
|
|
|
|
|
|
|
|
|
4,192,221
|
|
|
|
4,043,733
|
|
|
|
|
|
4,686,661
|
4,192,221
|
4,043,733
|
|
| Share capital | Exercise of share warrants |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Exercise and subscription of equity instruments |
|
|
|
|
|
|
|
|
|
|
417,269
|
|
|
|
|
|
|
|
|
€ 3,321
|
€ 728
|
|
|
|
|
| Share capital | Common shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Exercise and subscription of equity instruments |
|
|
|
|
|
|
|
|
|
|
|
|
91,645
|
|
1,905
|
|
|
|
€ 33
|
|
3,015
|
|
|
|
|
| Exercise and subscription of equity instruments through conversion |
76,075
|
€ 65
|
€ 355
|
€ 194
|
€ 32
|
€ 32
|
|
€ 32
|
€ 355
|
€ 32
|
|
|
|
€ 97
|
|
|
|
|
|
|
|
|
|
|
|
| Share capital | Definitive acquisition of free shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Exercise and subscription of equity instruments |
|
|
|
|
|
|
|
|
|
|
|
51,404
|
|
|
3,437
|
|
|
€ 6,403
|
|
|
8,165
|
|
|
|
|
| Exercise and subscription of equity instruments through conversion |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
10,762
|
|
|
|
|
|
|
|
|
|
| Share capital | Subsciption of share warrants |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Exercise and subscription of equity instruments |
|
|
|
|
|
|
€ 0
|
|
|
|
|
|
|
|
|
|
€ 0
|
|
|
|
|
|
|
|
|
| Share premium |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Balance at beginning of period |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
390,979,449
|
384,255,036
|
379,636,745
|
|
| Exercise and subscription of equity instruments |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(28,000)
|
37,000
|
363,000
|
|
| Share issue related cost |
|
|
|
|
|
|
|
|
|
|
(67,963)
|
|
(24,150)
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-based payment |
2,567,446
|
|
|
|
|
|
|
|
|
|
|
3,944,383
|
|
|
|
4,255,748
|
|
|
|
|
|
2,567,000
|
3,944,000
|
4,256,000
|
|
| Balance at end of period |
408,033,490
|
|
|
|
|
|
|
|
|
|
|
390,979,449
|
|
|
|
384,255,036
|
|
|
|
|
|
€ 408,033,490
|
€ 390,979,449
|
€ 384,255,036
|
|
| Share premium | Exercise of share warrants |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Exercise and subscription of equity instruments |
|
|
|
|
|
|
|
|
|
|
€ 14,582,729
|
|
|
|
|
|
|
|
|
€ 142,991
|
28,955
|
|
|
|
|
| Share premium | Common shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Exercise and subscription of equity instruments |
|
|
|
|
|
|
|
|
|
|
|
|
€ 2,767,677
|
|
91,440
|
|
|
|
€ (33)
|
|
168,840
|
|
|
|
|
| Exercise and subscription of equity instruments through conversion |
€ (76,075)
|
€ (65)
|
€ (355)
|
€ (194)
|
€ (32)
|
€ (32)
|
|
€ (32)
|
€ (355)
|
€ (32)
|
|
|
|
€ (97)
|
|
|
|
|
|
|
|
|
|
|
|
| Share premium | Definitive acquisition of free shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Exercise and subscription of equity instruments |
|
|
|
|
|
|
|
|
|
|
|
€ (51,404)
|
|
|
€ (3,437)
|
|
|
€ (6,403)
|
|
|
€ (8,165)
|
|
|
|
|
| Exercise and subscription of equity instruments through conversion |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
€ (10,762)
|
|
|
|
|
|
|
|
|
|
| Share premium | Subsciption of share warrants |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of changes in the share capital |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Exercise and subscription of equity instruments |
|
|
|
|
|
|
€ 49,000
|
|
|
|
|
|
|
|
|
|
€ 47,120
|
|
|
|
|
|
|
|
|