v3.26.1
Note 6 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Effective Income Tax Rate Reconciliation, Percent 29.00% 23.20%    
Unrecognized Tax Benefits, Ending Balance $ 0   $ 0  
Income Tax Jurisdiction, Domestic Federal [Member] | Internal Revenue Service (IRS) [Member]        
Operating Loss Carryforwards       $ 8,800
Tax Credit Carryforward, Amount $ 3,400      
Open Tax Year 2011 2012 2013 2014 2015      
Income Tax Jurisdiction, Domestic State and Local [Member]        
Open Tax Year 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024      
Income Tax Jurisdiction, Domestic State and Local [Member] | Internal Revenue Service (IRS) [Member]        
Operating Loss Carryforwards $ 5,100      
Income Tax Jurisdiction, Foreign [Member]        
Deferred Tax Assets, Valuation Allowance 0      
Income Tax Jurisdiction, Foreign [Member] | His Majesty's Revenue and Customs (HMRC) [Member]        
Operating Loss Carryforwards $ 10,000      
Income Tax Jurisdiction, Foreign, Other [Member]        
Open Tax Year 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024