Income Taxes (Details Narrative) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Effective Income Tax Rate Reconciliation [Line Items] | ||
| U.S. corporate income tax rate | 21.00% | 21.00% |
| Valuation allowance | $ 21.3 | |
| GREECE | ||
| Effective Income Tax Rate Reconciliation [Line Items] | ||
| Net operating loss carryforwards | 14.0 | |
| DENMARK | ||
| Effective Income Tax Rate Reconciliation [Line Items] | ||
| Net operating loss carryforwards | 25.5 | |
| Domestic Tax Jurisdiction [Member] | ||
| Effective Income Tax Rate Reconciliation [Line Items] | ||
| Net operating loss carryforwards | 78.4 | $ 64.9 |
| Credit carryforwards | 0.7 | |
| State and Local Jurisdiction [Member] | ||
| Effective Income Tax Rate Reconciliation [Line Items] | ||
| Net operating loss carryforwards | 70.3 | $ 56.8 |
| Credit carryforwards | $ 0.2 | |