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Note 7 - Goodwill and Intangible Assets - Intangible Assets, Net (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Accumulated amortization $ (9,287) $ (8,017)
Intangible assets, gross 41,880 37,276
Intangible assets, net 32,593 29,259
Trade Names [Member]    
Trade name - not subject to amortization 20,179 18,995
Customer Relationships [Member]    
Finite-lived intangible assets, gross 21,442 18,022
Accumulated amortization (9,101) (7,900)
Finite-lived intangible assets, net 12,341 10,122
Noncompete Agreements [Member]    
Finite-lived intangible assets, gross 259 259
Accumulated amortization (186) (117)
Finite-lived intangible assets, net $ 73 $ 142