v3.26.1
Note 14 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00%  
Deferred Tax Assets, Valuation Allowance $ 31,810 $ 25,913
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount 5,900  
Unrecognized Tax Benefits 0  
Income Tax Paid, State and Local, after Refund Received 6  
Income Tax Paid, Foreign, after Refund Received 4  
New York City Tax Authority [Member]    
Income Tax Paid, State and Local, after Refund Received 3  
New York State Division of Taxation and Finance [Member]    
Income Tax Paid, State and Local, after Refund Received 1  
Texas Department of Revenue [Member]    
Income Tax Paid, State and Local, after Refund Received 2  
Serbian Tax Authority [Member]    
Income Tax Paid, Foreign, after Refund Received 4  
Domestic Tax Jurisdiction [Member]    
Operating Loss Carryforwards 92,800  
Operating Loss Carryforwards, Available to Offset Future Net Income 25,100  
Operating Loss Carryforwards Not Subject to Expiration $ 67,700  
Operating Loss Carryforward, Offset Limit 80.00%  
State and Local Jurisdiction [Member]    
Operating Loss Carryforwards $ 97,200  
Foreign Tax Jurisdiction [Member]    
Operating Loss Carryforwards $ 0