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Segment Information and Concentrations - Major customers accounted for at least 10% of total revenues (Details)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Ingram Micro Inc.
   
Percent of total revenues 33.00% 16.00%
Threshold percentage for disclosure 10.00% 10.00%
Scansource, Inc.
   
Percent of total revenues 13.00% 20.00%
Threshold percentage for disclosure 10.00% 10.00%
BlueStar, Inc.
   
Percent of total revenues 15.00%   
Threshold percentage for disclosure   10.00%
CF Company
   
Percent of total revenues    18.00%
Threshold percentage for disclosure 10.00% 10.00%