Note 4 - Goodwill and Other Intangible Assets - Schedule of Finite-lived Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Gross carrying amount	$ 2,293	$ 2,272
Accumulated amortization	1,120	929
Net book value	$ 1,173	$ 1,343
Customer Relationships [Member]
Remaining lives (Year)	9 years	9 years
Gross carrying amount	$ 1,302	$ 1,302
Accumulated amortization	795	651
Net book value	$ 507	$ 651
Intellectual Property [Member]
Remaining lives (Year)	3 years	3 years
Gross carrying amount	$ 100	$ 100
Accumulated amortization	100	95
Net book value		$ 5
Trade Names [Member]
Remaining lives (Year)	20 years	20 years
Gross carrying amount	$ 814	$ 814
Accumulated amortization	225	183
Net book value	$ 589	$ 631
Other Intangible Assets [Member]
Remaining lives (Year)	7 years	7 years
Gross carrying amount	$ 77	$ 56
Accumulated amortization
Net book value	$ 77	$ 56