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Selected Balance Sheet Accounts (Details 1) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Intangible Assets    
Intangible assets, gross $ 42,822 $ 14,468
Accumulated amortization (13,307) (10,295)
Intangible assets, net 29,515 4,173
Trademarks and Trade Names [Member]    
Intangible Assets    
Intangible assets, gross 11,494 6,574
Accumulated amortization (6,071) (5,594)
Intangible assets, net $ 5,423 980
Trademarks and Trade Names [Member] | Minimum [Member]    
Finite-Lived Intangible Assets    
Estimated Useful Life (in years) 3 years  
Trademarks and Trade Names [Member] | Maximum [Member]    
Finite-Lived Intangible Assets    
Estimated Useful Life (in years) 6 years  
Software and publications [Member]    
Intangible Assets    
Intangible assets, gross $ 1,300 1,300
Accumulated amortization (1,300) (1,300)
Intangible assets, net $ 0 0
Finite-Lived Intangible Assets    
Estimated Useful Life (in years) 3 years  
Customer Relationships [Member]    
Intangible Assets    
Intangible assets, gross $ 19,563 5,074
Accumulated amortization (4,341) (2,696)
Intangible assets, net $ 15,222 2,378
Customer Relationships [Member] | Minimum [Member]    
Finite-Lived Intangible Assets    
Estimated Useful Life (in years) 2 years  
Customer Relationships [Member] | Maximum [Member]    
Finite-Lived Intangible Assets    
Estimated Useful Life (in years) 10 years  
Noncompete Agreements [Member]    
Intangible Assets    
Intangible assets, gross $ 1,510 700
Accumulated amortization (849) (500)
Intangible assets, net 661 200
Developed Technology Rights [Member]    
Intangible Assets    
Intangible assets, gross 8,955 820
Accumulated amortization (746) (205)
Intangible assets, net $ 8,209 $ 615
Developed Technology Rights [Member] | Minimum [Member]    
Finite-Lived Intangible Assets    
Estimated Useful Life (in years) 5 years  
Developed Technology Rights [Member] | Maximum [Member]    
Finite-Lived Intangible Assets    
Estimated Useful Life (in years) 7 years  
Employment/non-compete agreements [Member] | Minimum [Member]    
Finite-Lived Intangible Assets    
Estimated Useful Life (in years) 1 year  
Employment/non-compete agreements [Member] | Maximum [Member]    
Finite-Lived Intangible Assets    
Estimated Useful Life (in years) 5 years