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Acquisition Purchase Price Allocation (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Business Acquisition [Line Items]    
Goodwill $ 5,756 $ 5,936
Lumewave [Member]    
Business Acquisition [Line Items]    
Cash and cash equivalents 630  
Accounts receivable 107  
Inventory 31  
Other current assets 259  
Property and equipment 23  
Identifiable intangible assets 1,500  
Goodwill 1,257  
Accounts payable (352)  
Accrued liabilities (255)  
Business Combination, Consideration Transferred $ 3,200