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Note 12 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 21.00%
Operating Loss Carryforwards that Do Not Expire $ 8,900  
Unrecognized Tax Benefits 0 $ 0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense 0 $ 0
Domestic Tax Jurisdiction [Member]    
Operating Loss Carryforwards 76,500  
State and Local Jurisdiction [Member]    
Operating Loss Carryforwards $ 81,400