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Note 10 - Income Taxes - Reconciliation of Effective Income Tax Rate (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Federal income taxes at the statutory rate $ (6,528) $ (13,300)
Federal income taxes at the statutory rate, percentage 21.00% 21.00%
Share-based compensation shortfall (windfall) $ 6 $ 13
Share-based compensation shortfall (windfall), percentage (0.00%) (0.00%)
Effect of state taxes, net of federal tax benefit $ (999) $ (517)
Effect of state taxes, net of federal tax benefit, percentage 3.20% 0.80%
Non-deductible items $ 39 $ (421)
Non-deductible items, percentage 0.10% (0.70%)
Goodwill impairment $ 0 $ 9,491
Goodwill impairment, percentage 0.00% (15.00%)
Return to provision adjustment $ (540) $ 2,731
Return to provision adjustment, percentage 1.70% (4.30%)
Foreign rate difference $ (56) $ 16
Foreign rate difference, percentage 0.20% (0.00%)
Deferred only adjustments $ 343 $ 197
Deferred only adjustments, percentage (1.10%) (0.30%)
Research and development credit $ (1,194) $ (1,992)
Research and development credit, percentage 3.80% 3.10%
Other $ 1 $ 17
Other, percentage (0.00%) (0.00%)
Change in valuation allowance $ 8,597 $ 3,649
Change in valuation allowance, percentage (27.70%) (5.80%)
Reversal of uncertain tax position (UTP) $ (1,480) $ 0
Reversal of uncertain tax position (UTP), percentage 4.80% 0.00%
Total income tax expense (benefit) $ (1,811) $ (116)
Income tax expense, percentage 5.80% 0.20%