| Segment Reporting [Table Text Block] |
| | | Three Months Ended | | | Six Months Ended | |
| | | June 30, | | | June 30, | |
| Net Income/(loss) by Segment | | 2026 | | | 2025 | | | 2026 | | | 2025 | |
| | | (in thousands) | | | (in thousands) | |
| Europe | | $ | (217 | ) | | $ | 11,553 | | | $ | (461 | ) | | $ | 14,361 | |
| United States | | $ | (2,370 | ) | | $ | (6,319 | ) | | | (3,018 | ) | | | (9,307 | ) |
| Total for the period | | $ | (2,587 | ) | | $ | 5,234 | | | $ | (3,479 | ) | | $ | 5,054 | |
| | | As of | | | Year Ended | |
| | | June 30, | | | December 31, | |
| Assets by Segment | | 2026 | | | 2025 | |
| | | (in thousands) | |
| Europe | | | | | | | | |
| Other Assets | | $ | 13 | | | $ | 12 | |
| Total for Europe | | $ | 13 | | | $ | 12 | |
| | | | | | | | | |
| United States | | | | | | | | |
| Intangible assets | | $ | 36,572 | | | $ | 37,518 | |
| Goodwill | | | 18,964 | | | | 18,964 | |
| Other assets | | | 1,590 | | | | 550 | |
| Total for United States | | $ | 57,126 | | | $ | 57,032 | |
| | | As of | | | Year Ended | |
| | | June 30, | | | December 31, | |
| Liabilities by Segment | | 2026 | | | 2025 | |
| | | (in thousands) | |
| Europe – Continuing Operations | | | | | | | | |
| Debt | | $ | 1,519 | | | $ | 1,176 | |
| Other Liabilities | | $ | 845 | | | | 1,076 | |
| Total for Europe – Continuing Operations | | $ | 2,364 | | | $ | 2,252 | |
| | | | | | | | | |
| United States – Continuing Operations | | | | | | | | |
| Debt | | $ | 9,153 | | | $ | 14,885 | |
| Other Liabilities | | $ | 17,072 | | | | 16,886 | |
| Total for United States – Continuing Operations | | $ | 26,226 | | | $ | 31,771 | |
| | | Three Months Ended | | | Six Months Ended | |
| | | June 30, | | | June 30, | |
| Adjusted EBITDA by Segment | | 2026 | | | 2025 | | | 2026 | | | 2025 | |
| | | (in thousands) | | | (in thousands) | |
| Europe | | $ | (197 | ) | | $ | (198 | ) | | $ | (409 | ) | | $ | (626 | ) |
| US | | | (1,343 | ) | | | (3,492 | ) | | | (2,453 | ) | | | (4,553 | ) |
| Total for the period | | $ | (1,540 | ) | | $ | (3,690 | ) | | $ | (2,861 | ) | | $ | (5,177 | ) |
| | | Three Months Ended | | | Six Months Ended | |
| | | June 30, | | | June 30, | |
| Adjusted EBITDA Reconciliation to Net Loss | | 2026 | | | 2025 | | | 2026 | | | 2025 | |
| | | (in thousands) | | | (in thousands) | |
| Europe | | | | | | | | | | | | | | | | |
| Adjusted EBITDA | | $ | (197 | ) | | $ | (198 | ) | | $ | (409 | ) | | $ | (626 | ) |
| Depreciation, amortization, and accretion | | | - | | | | - | | | | - | | | | - | |
| Interest expense | | | (19 | ) | | | (172 | ) | | | (53 | ) | | | (526 | ) |
| Gain on sale of subsidiaries | | | - | | | $ | 11,924 | | | | - | | | | 15,513 | |
| Net Income /(Loss) | | $ | (217 | ) | | $ | 11,554 | | | $ | (461 | ) | | $ | 14,361 | |
| | | | | | | | | | | | | | | | | |
| US | | | | | | | | | | | | | | | | |
| Adjusted EBITDA | | $ | (1,343 | ) | | $ | (3,492 | ) | | $ | (2,453 | ) | | $ | (4,553 | ) |
| Depreciation, amortization, and accretion | | | (469 | ) | | | (23 | ) | | | (946 | ) | | | (130 | ) |
| Interest expense | | | (364 | ) | | | (1,065 | ) | | | (606 | ) | | | (2,914 | ) |
| Fair value movement of convertible notes | | | (139 | ) | | | (882 | ) | | | (2,502 | ) | | | (887 | ) |
| Fair value movement of warrants | | | - | | | | 162 | | | | - | | | | 162 | |
| Warrant issuance costs | | | - | | | | (753 | ) | | | - | | | | (753 | ) |
| Stock issued for debt settleent costs | | | - | | | | (172 | ) | | | - | | | | (172 | ) |
| Issuance cost put option liability (Series D) | | | - | | | | | | | (6 | ) | | | | |
| Gain on settlement of debt | | | - | | | | - | | | | 5,257 | | | | - | |
| Loss on extinguishment of debt | | | (25 | ) | | | - | | | | (1,731 | ) | | | - | |
| Other Expense | | | (31 | ) | | | (94 | ) | | | (31 | ) | | | (60 | ) |
| Net Loss | | $ | (2,370 | ) | | $ | (6,319 | ) | | $ | (3,018 | ) | | $ | (9,307 | ) |
| Income Taxes | | | - | | | | - | | | | - | | | | - | |
| Consolidated Net Income / (Loss) | | $ | (2,587 | ) | | $ | 5,234 | | | $ | (3,479 | ) | | $ | 5,054 | |
|