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Note 15 - Income Taxes (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total $ 206,000 $ 495,000
Unrecognized Tax Benefits, Net of Benefit on State 513,000  
Unrecognized Tax Benefits that Would Impact Effective Tax Rate $ 513,000 $ 1,511,000
Domestic Tax Jurisdiction [Member] | Internal Revenue Service (IRS) [Member]    
Open Tax Year 2023 2024 2025  
State and Local Jurisdiction [Member]    
Open Tax Year 2023 2024 2025