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Note 6 - Other Intangible Assets - Definite-lived Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Gross amount $ 23,384  
Accumulated amortization (1,152)  
Net balance 22,232
Trade Name and Brand [Member]    
Gross amount 367  
Accumulated amortization (33)  
Net balance 334  
Noncompete Agreements [Member]    
Gross amount 462  
Accumulated amortization (85)  
Net balance 377  
Customer Lists [Member]    
Gross amount 22,555  
Accumulated amortization (1,034)  
Net balance $ 21,521