Note 10 - Income Taxes - Reconciliation of Taxes on Income (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Tax provision computed at the federal statutory rate, amount	$ 17,493	$ 12,402
Tax provision computed at the federal statutory rate, percent	21.00%	21.00%
Different tax rates applicable to foreign operations, amount	$ (1,697)	$ (1,677)
Different tax rates applicable to foreign operations, percent	(2.00%)	(3.00%)
Reversal of liability for uncertain tax positions - net, amount	$ (4,726)	$ (2,515)
Reversal of liability for uncertain tax positions - net, percent	(6.00%)	(4.00%)
Research and experimentation and foreign tax credits, amount	$ (75)	$ (139)
Research and experimentation and foreign tax credits, percent	(0.00%)	(0.00%)
State taxes, net of federal benefit, amount	$ (433)	$ 292
State taxes, net of federal benefit, percent	(1.00%)	0.00%
SERP/COLI and restricted stock income, amount	$ (756)	$ 733
SERP/COLI and restricted stock income, percent	(1.00%)	(1.00%)
SERP/COLI and restricted stock income, percent	1.00%	1.00%
Other, net, amount	$ (337)	$ (2,726)
Other, net, percent	(0.00%)	(5.00%)
Income Tax Expense (Benefit)	$ 9,469	$ 6,370
Tax provision (benefit) computed at the Company's effective tax rate, percent	11.00%	11.00%

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Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for SERP, COLI, and restricted stock income.

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

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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