v3.26.1
Note 16 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Income (Loss) from Continuing Operations before Income Taxes, Domestic $ 8,900 $ 5,700  
Income (Loss) from Continuing Operations before Income Taxes, Foreign 0    
Income Taxes Paid, Net $ 0    
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 21.00%  
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount $ 1,700 $ 900  
Operating Loss Carryforwards, Incurred Prior to Ownership Change 42,500    
Operating Loss Carryforwards, Can be Utilized Each Year 143    
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions 7 10  
Unrecognized Tax Benefits 115 108 $ 98
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued $ 0 0  
Open Tax Year 2018 2019 2020 2021 2022 2023 2024 2025    
Domestic Tax Jurisdiction [Member]      
Operating Loss Carryforwards, Subject to Expire $ 43,800 35,500  
Operating Loss Carryforwards, Can be Carried Forward Indefinitely 43,300    
Domestic Tax Jurisdiction [Member] | Research Tax Credit Carryforward [Member]      
Tax Credit Carryforward, Amount 13    
State and Local Jurisdiction [Member]      
Operating Loss Carryforwards, Subject to Expire $ 2,000 2,600  
State and Local Jurisdiction [Member] | Research Tax Credit Carryforward [Member]      
Tax Credit Carryforward, Amount   $ 372