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Industry, Segment and Geographic Financial Information - Disaggregation of Revenue (Details)

v3.19.1
Industry, Segment and Geographic Financial Information - Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Disaggregation of Revenue [Line Items]    
Net sales $ 44,858 $ 40,552
Lifeboat Distribution    
Disaggregation of Revenue [Line Items]    
Net sales 40,055 36,838
TechXtend    
Disaggregation of Revenue [Line Items]    
Net sales 4,803 3,714
Hardware, software and other products    
Disaggregation of Revenue [Line Items]    
Net sales 40,189 35,862
Hardware, software and other products | Lifeboat Distribution    
Disaggregation of Revenue [Line Items]    
Net sales 35,853 32,423
Hardware, software and other products | TechXtend    
Disaggregation of Revenue [Line Items]    
Net sales 4,337 3,439
Software - security and highly interdependent with support    
Disaggregation of Revenue [Line Items]    
Net sales 1,892 2,103
Software - security and highly interdependent with support | Lifeboat Distribution    
Disaggregation of Revenue [Line Items]    
Net sales 1,836 2,086
Software - security and highly interdependent with support | TechXtend    
Disaggregation of Revenue [Line Items]    
Net sales 56 17
Maintenance, support and other services revenue    
Disaggregation of Revenue [Line Items]    
Net sales 2,777 2,587
Maintenance, support and other services revenue | Lifeboat Distribution    
Disaggregation of Revenue [Line Items]    
Net sales 2,366 2,329
Maintenance, support and other services revenue | TechXtend    
Disaggregation of Revenue [Line Items]    
Net sales $ 410 $ 258