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Note 11 - Income Taxes - Reconciliation of Amounts of US Federal Statutory Income Tax Rate to Effective Income Tax Rate (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
U.S. federal statutory tax rate $ (7,067) $ (6,886)
State and local income taxes, net (292) (962)
Stock-based compensation (51) 10,865
Executive compensation limitation 3,566 0
Fair value of earnout liability (828) (3,946)
Transaction costs 125 (2,209)
Change in valuation allowance 12,844 3,085
Foreign rate differential (2,066) 440
Return-to-provision adjustments (1,029) (196)
Permanent differences 29 334
Other, net (193) (68)
Total $ 5,038 $ 457