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Note 4 - Goodwill and Other Intangible Assets - Intangible Assets Other Than Goodwill (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2015
Dec. 31, 2014
Marketing-Related Intangible Assets [Member]    
Intangible Assets with finite lives:    
Gross $ 930 $ 930
Accumulated amortization (109) (62)
Net $ 821 868
Useful life 10 years  
Weighted average useful life remaining 8 years 292 days  
Noncompete Agreements [Member]    
Intangible Assets with finite lives:    
Gross $ 190 190
Accumulated amortization (111) (63)
Net $ 79 127
Useful life 2 years  
Weighted average useful life remaining 292 days  
Trade Secrets [Member]    
Intangible Assets with finite lives:    
Gross $ 250 250
Accumulated amortization (58) (33)
Net $ 192 217
Useful life 5 years  
Weighted average useful life remaining 3 years 292 days  
Computer Software, Intangible Asset [Member]    
Intangible Assets with finite lives:    
Gross $ 680 680
Accumulated amortization (264) (151)
Net $ 416 529
Useful life 3 years  
Weighted average useful life remaining 1 year 292 days  
Customer Relationships [Member]    
Intangible Assets with finite lives:    
Gross $ 2,530 2,530
Accumulated amortization (328) (188)
Net $ 2,202 2,342
Useful life 9 years  
Weighted average useful life remaining 7 years 292 days  
Gross $ 4,580 4,580
Accumulated amortization (870) (497)
Net $ 3,710 $ 4,083