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Merger - Purchase Price Allocation (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
May 11, 2017
Dec. 31, 2016
Business Acquisition [Line Items]      
Goodwill $ 7,004   $ 633
Provant      
Business Acquisition [Line Items]      
Cash   $ 1,936  
Accounts receivable   3,128  
Inventory and other current assets   1,208  
Fixed assets   1,041  
Goodwill   6,372  
Accounts payable   (2,945)  
Accrued expenses and other liabilities   (4,448)  
Line of credit   (4,684)  
Capital leases   (334)  
Deferred revenue   (200)  
Subordinated promissory note   (2,092)  
Preliminary Purchase Price   6,792  
Provant | Technology      
Business Acquisition [Line Items]      
Intangible assets   4,200  
Provant | Customer relationships      
Business Acquisition [Line Items]      
Intangible assets   3,400  
Provant | Trade name/trademark      
Business Acquisition [Line Items]      
Intangible assets   200  
Provant | Non-compete agreements      
Business Acquisition [Line Items]      
Intangible assets   $ 10