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Goodwill and Intangible Assets (Narrative) (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Sep. 06, 2018
Sep. 30, 2018
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Business Acquisition [Line Items]            
Aggregate amortization expense for intangible assets     $ 1,368 $ 1,182 $ 4,696 $ 3,247
Machinalis S.R.L. [Member]            
Business Acquisition [Line Items]            
Percentage of acquisition 100.00%          
Aggregate purchase price for acquisition $ 5,855          
Business acquisition, cash paid 2,566          
Amount in escrow account 2,096          
Additional contingent consideration 1,193          
Net income (loss)   $ 8        
Intangible assets 638          
Machinalis S.R.L. [Member] | Customer Lists [Member]            
Business Acquisition [Line Items]            
Intangible assets 100          
Machinalis S.R.L. [Member] | Non-Compete Agreement [Member]            
Business Acquisition [Line Items]            
Amortized period, years         3 years  
Machinalis S.R.L. [Member] | Non-Solicitation Agreements [Member]            
Business Acquisition [Line Items]            
Amortized period, years         5 years  
Machinalis S.R.L. [Member] | Trademarks [Member]            
Business Acquisition [Line Items]            
Intangible assets $ 299