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Note 10 - Other Intangible Assets - Definite-lived Intangible Assets (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Dec. 31, 2017
Estimated useful life (Year)  
Gross amount $ 23,384  
Accumulated amortization (198)  
Intangible assets, net $ 23,186
Trade Name and Brand [Member]    
Estimated useful life (Year) 10 years  
Gross amount $ 367  
Accumulated amortization (6)  
Intangible assets, net $ 361  
Noncompete Agreements [Member]    
Estimated useful life (Year) 5 years  
Gross amount $ 462  
Accumulated amortization (15)  
Intangible assets, net $ 447  
Customer Lists [Member]    
Estimated useful life (Year) 20 years  
Gross amount $ 22,555  
Accumulated amortization (177)  
Intangible assets, net $ 22,378