Note 7 - Right-of-use Assets, Operating Leases - Schedule of Right-of-use Assets (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Assets and Liabilities, Lessee [Abstract] | ||
| Right-of-use assets, operating leases, beginning of year | $ 3,124 | $ 3,124 |
| Additions to right-of-use assets, operating leases | 0 | 0 |
| Right-of-use assets, operating leases, end of year | 3,124 | 3,124 |
| Less: accumulated amortization | (2,949) | (2,553) |
| Right-of use assets, operating leases, net | $ 175 | $ 571 |
| X | ||||||||||
- Definition The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of right-of-use assets over their estimated remaining economic lives. No definition available.
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| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease before amortization, depreciation, and depletion. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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