Note 7 - Income Taxes - Income Tax Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Expected federal income taxes	$ 10,210	$ 8,708	$ 8,509
Foreign tax rate differential	26	6	26
State income taxes, net of federal benefit and state tax credits	1,531	607	1,344
Share-based compensation	(660)	(5,713)	(1,579)
Compensation limit for covered employees		463
Federal tax credits	(272)	(261)	(419)
Uncertain tax positions	254	157	34
Nondeductible expenses (income) related to recapitalization			(24)
Goodwill Impairment		184
Withholding tax on repatriation of foreign earnings	8	18	107
GILTI		10	13
Other	58	28	102
Income Tax Expense (Benefit), Total	$ 11,155	$ 4,207	$ 8,113

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The sum of the differences between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable uncertain tax positions.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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