Annual report [Section 13 and 15(d), not S-K Item 405]

Note 16 - Income Taxes (Details Textual)

v3.26.1
Note 16 - Income Taxes (Details Textual)
$ in Thousands
12 Months Ended
Dec. 31, 2025
USD ($)
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount $ 4,400
Unrecognized Tax Benefits, Interest on Income Taxes Accrued 0
Unrecognized Tax Benefits, Income Tax Penalties Accrued 0
Unrecognized Tax Benefits $ 600
Open Tax Year 2022 2023 2024 2025
Domestic Tax Jurisdiction [Member]  
Operating Loss Carryforwards $ 219,800
Operating Loss Carryforwards, Subject to Expiration 25,200
Operating Loss Carryforwards, Not Subject to Expiration 194,600
Domestic Tax Jurisdiction [Member] | Research Tax Credit Carryforward [Member]  
Tax Credit Carryforward, Amount 700
State and Local Jurisdiction [Member]  
Operating Loss Carryforwards, Subject to Expiration 4,100
State and Local Jurisdiction [Member] | Research Tax Credit Carryforward [Member]  
Tax Credit Carryforward, Amount $ 500