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Intangible Assets (Company's Intangible Assets with Definite Lives) (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]    
Cost $ 10,379 $ 10,379
Accumulated Amortization 2,409 1,501
Non-Compete Agreement [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 100 100
Accumulated Amortization 100 93
Fusion Technology [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 9,242 9,242
Accumulated Amortization 1,617 924
Clamp and Probe Technology [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 829 829
Accumulated Amortization 484 276
Estech Trade Name [Member]    
Finite-Lived Intangible Assets [Line Items]    
Cost 208 208
Accumulated Amortization $ 208 $ 208