Accounts payable - Narrative (Details) - USD ($) |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Accounts payable | ||
| Accounts payable to Board Members | $ 632,000 | $ 1,387,000 |
| Accounts payable to other related parties | 617,000 | $ 673,000 |
| Related party | Carlos Moreira | ||
| Accounts payable | ||
| Accounts payable to Board Members | 614,335 | |
| Related party | John O'Hara | ||
| Accounts payable | ||
| Accounts payable to Board Members | 3,848 | |
| Related party | David Fergusson | ||
| Accounts payable | ||
| Accounts payable to Board Members | 14,062 | |
| Related party | WISeCoin AG | ||
| Accounts payable | ||
| Accounts payable to other related parties | 347,396 | |
| Related party | WISeKey SA | ||
| Accounts payable | ||
| Accounts payable to other related parties | $ 269,371 |