Recurring fair value measurements (Details) - USD ($) |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Level 1 [Member] | Convertible Notes Payable [Member] | ||
| Warrant liabilities | $ 0 | $ 0 |
| Level 1 [Member] | WarrantLiabilities [Member] | ||
| Warrant liabilities | 217,350 | 207,000 |
| Level 1 [Member] | Crypto Asset [Member] | ||
| Assets, Fair Value Disclosure | 21,772 | 7,304,760 |
| Level 2 [Member] | Convertible Notes Payable [Member] | ||
| Warrant liabilities | 0 | 0 |
| Level 2 [Member] | WarrantLiabilities [Member] | ||
| Warrant liabilities | 0 | 0 |
| Level 2 [Member] | Crypto Asset [Member] | ||
| Assets, Fair Value Disclosure | 0 | 0 |
| Level 3 [Member] | Convertible Notes Payable [Member] | ||
| Warrant liabilities | 667,413 | 8,201,746 |
| Level 3 [Member] | WarrantLiabilities [Member] | ||
| Warrant liabilities | 0 | 0 |
| Level 3 [Member] | Crypto Asset [Member] | ||
| Assets, Fair Value Disclosure | $ 0 | $ 0 |