Note 6 - Income Taxes - Income Tax Provision from Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Current	$ 2,951	$ 1,925
Deferred	(227)	543
Total	$ 2,724	$ 2,468

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration