Note 6 - Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Gross Carrying Value	$ 35,160	$ 35,160
Accumulated Amortization	(5,044)	(4,111)
Net Carrying Value	$ 30,116	$ 31,049
Weighted Average [Member]
Weighted Average Useful Life (Year)	9 years 7 months 6 days	9 years 8 months 12 days
Customer Relationships [Member]
Gross Carrying Value	$ 8,220	$ 8,220
Accumulated Amortization	(499)	(330)
Net Carrying Value	$ 7,721	$ 7,890
Customer Relationships [Member] | Weighted Average [Member]
Weighted Average Useful Life (Year)	12 years 7 months 6 days	12 years 9 months 18 days
Trade Names [Member]
Gross Carrying Value	$ 6,610	$ 6,610
Accumulated Amortization	(644)	(508)
Net Carrying Value	$ 5,966	$ 6,102
Trade Names [Member] | Weighted Average [Member]
Weighted Average Useful Life (Year)	13 years 9 months 18 days	14 years
Technology-Based Intangible Assets [Member]
Gross Carrying Value	$ 19,670	$ 19,670
Accumulated Amortization	(3,819)	(3,232)
Net Carrying Value	$ 15,851	$ 16,438
Technology-Based Intangible Assets [Member] | Weighted Average [Member]
Weighted Average Useful Life (Year)	6 years 9 months 18 days	7 years 1 month 6 days
Noncompete Agreements [Member]
Gross Carrying Value	$ 660	$ 660
Accumulated Amortization	(82)	(41)
Net Carrying Value	$ 578	$ 619
Noncompete Agreements [Member] | Weighted Average [Member]
Weighted Average Useful Life (Year)	3 years 6 months	3 years 9 months 18 days