Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Disaggregation of Revenue (Details)

v3.8.0.1
Segment Information - Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Disaggregation of Revenue [Line Items]    
Net Sales $ 40,552 $ 38,091
Lifeboat Distribution    
Disaggregation of Revenue [Line Items]    
Net Sales 36,838 33,834
TechXtend    
Disaggregation of Revenue [Line Items]    
Net Sales 3,714 4,257
Hardware and software product    
Disaggregation of Revenue [Line Items]    
Net Sales 35,862 33,930
Hardware and software product | Lifeboat Distribution    
Disaggregation of Revenue [Line Items]    
Net Sales 32,423 30,111
Hardware and software product | TechXtend    
Disaggregation of Revenue [Line Items]    
Net Sales 3,439 3,819
Software - security and highly interdependent with support    
Disaggregation of Revenue [Line Items]    
Net Sales 2,103 1,551
Software - security and highly interdependent with support | Lifeboat Distribution    
Disaggregation of Revenue [Line Items]    
Net Sales 2,086 1,503
Software - security and highly interdependent with support | TechXtend    
Disaggregation of Revenue [Line Items]    
Net Sales 17 48
Maintenance, support and other services revenue    
Disaggregation of Revenue [Line Items]    
Net Sales 2,587 2,610
Maintenance, support and other services revenue | Lifeboat Distribution    
Disaggregation of Revenue [Line Items]    
Net Sales 2,329 2,220
Maintenance, support and other services revenue | TechXtend    
Disaggregation of Revenue [Line Items]    
Net Sales $ 258 $ 390