Note 4 - Goodwill and Other Intangible Assets (Details Textual) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Number of Reporting Units	1	2
Goodwill, Impairment Loss	$ 2,375	$ 0
Goodwill, Impaired, Accumulated Impairment Loss	3,283	908
Amortization of Intangible Assets, Total	$ 191	$ 219