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Note 3 - Business Combinations - Purchase Price Allocation (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jul. 15, 2021	Dec. 31, 2020
Goodwill	$ 4,168		$ 3,760
Bordax Acquisition [Member]
Assets		$ 884
Liabilities		(461)
Deferred Tax Liabilities		(158)
Net Assets		829
Goodwill		773
Total Purchase Price		1,602
Bordax Acquisition [Member] \| Customer Lists [Member]
Intangible Assets - Customer Contracts and Lists		$ 564