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Note 7 - Income Tax Expense - Income Tax Provisions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Federal	$ 4,035	$ 12,997	$ 3,049
State and local	777	1,956	1,074
Foreign	2,033	486	502
Current Income Tax Expense (Benefit), Total	6,845	15,439	4,625
Deferred tax benefit	(3,158)	(5,009)	(1,405)
Income tax expense	$ 3,687	$ 10,430	$ 3,220

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