Note 7 - Income Taxes - Income Tax Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Expected federal income taxes	$ 8,991	$ 10,210	$ 8,708
Foreign tax rate differential	(24)	26	6
State income taxes, net of federal benefit and state tax credits	2,100	1,531	607
Share-based compensation	(120)	(660)	(5,713)
Compensation limit for covered employees	0	0	463
Federal tax credits	(408)	(272)	(261)
Uncertain tax positions	22	254	157
Reclassification of cumulative translation adjustment into earnings	539	0	0
Goodwill Impairment	0	0	184
Withholding tax on repatriation of foreign earnings	(100)	8	18
GILTI	0	0	10
Other	15	58	28
Income Tax Expense (Benefit), Total	$ 11,015	$ 11,155	$ 4,207

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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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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.

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