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Business Combination (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Oct. 03, 2016
Goodwill $ 22,354 $ 22,770  
Vertex Acquisition [Member]      
Cash     $ 3
Accounts receivable     2,874
Inventories     15,006
Prepaids     46
Property and equipment     59
Intangibles assets     9,161
Goodwill     9,849
Other assets     116
Total assets acquired     37,114
Trade accounts payable     1,134
Accrued and other current liabilities     1,051
Long-term obligation     320
Deferred income taxes     2,432
Total liabilities assumed     4,937
Net assets purchased     $ 32,177