Note 15 - Income Taxes (Details Textual) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% | 21.00% |
| Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | $ 2,800 | |
| Deferred Tax Assets, Valuation Allowance | 13,773 | $ 10,957 |
| Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | $ 0 | 0 |
| Open Tax Year | 2021 2022 2023 2024 2025 | |
| Domestic Tax Jurisdiction [Member] | ||
| Operating Loss Carryforwards | $ 112,700 | 104,300 |
| Operating Loss Carryforwards, Eliminated Carryforwards | 46,400 | |
| Operating Loss Carryforwards, After Eliminations | 66,300 | |
| State and Local Jurisdiction [Member] | ||
| Operating Loss Carryforwards | 56,000 | $ 63,800 |
| Operating Loss Carryforwards, Eliminated Carryforwards | 40,600 | |
| Operating Loss Carryforwards, After Eliminations | $ 15,400 | |