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Major Customers Accounted for at Least 10% of Total Revenues (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Ingram Micro Inc.        
Percent of total revenues 30.00% 29.00% 29.00% 32.00%
Threshold percentage for disclosure 10.00% 10.00% 10.00% 10.00%
BlueStar, Inc.        
Percent of total revenues 27.00% 15.00% 23.00% 16.00%
Threshold percentage for disclosure 10.00% 10.00% 10.00% 10.00%
Scansource, Inc.        
Percent of total revenues 19.00% 20.00% 20.00% 19.00%
Threshold percentage for disclosure 10.00% 10.00% 10.00% 10.00%
Scansource Europe SPRL        
Percent of total revenues 12.00%
Threshold percentage for disclosure 10.00% 10.00% 10.00% 10.00%