Note 4 - Goodwill and Other Intangible Assets (Details Textual) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Number of Reporting Units		1
Goodwill, Impairment Loss	$ 0	$ 2,375
Assets Disposed of by Method Other than Sale, in Period of Disposition, Gain (Loss) on Disposition	$ (560)	(0)
Finite-Lived Intangible Assets, Remaining Amortization Period (Year)	3 years
Amortization of Intangible Assets, Total	$ 176	$ 191
Trade Names [Member]
Finite-lived Intangible Assets, Fair Value Disclosure	$ 0