Note 6 - Income Taxes - Income Tax Provision from Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Current	$ 5,231	$ 2,951
Deferred	(77)	(227)
Total	$ 5,154	$ 2,724

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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration