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Supplemental Cash Flow Information - Value of Assets Acquired and Liabilities Assumed (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Private Company in Asia [Member]    
Working capital, excluding cash and cash equivalents $ (386)  
Property and equipment 4  
Distribution agreement 2,086  
Deferred tax liability (377)  
Goodwill 967  
2,294  
The acquisition date fair value of the Company's previously held equity interest in a private company in Asia (1,800)  
494  
Goodwill $ 6,243 $ 5,276