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Note 9 - Income Taxes - Schedule of Provision (Benefit) for Income Taxes (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Current:    
Federal $ (24) $ 1,392
State (70) 606
Foreign 123 3
Total current 29 2,001
Deferred:    
Federal (3,352) (3,730)
State (462) (537)
Foreign 20 1
Less: valuation allowance 3,649 4,041
Total deferred (145) (225)
Total income tax expense (benefit) $ (116) $ 1,776