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Segment Information and Concentrations (Tables)
 6 Months Ended
Jun. 30, 2014
Segment Reporting [Abstract]  
Revenue by geographic areas
  

Three Months Ended

June 30,

 

Six Months Ended

June 30,

   2014  2013  2014  2013
Revenues:                    
   United States   $3,616,007   $3,226,442   $6,298,084   $5,804,072 
   Europe    489,303    611,185    1,234,373    1,484,332 
   Asia and rest of world    285,762    597,804    653,954    1,412,202 
      Total revenues   $4,391,072  $4,435,431  $8,186,411  $8,700,606
Major customers accounted for at least 10% of total revenues
  

Three Months Ended

June 30,

 

Six Months Ended

June 30,

   2014  2013  2014  2013
Ingram Micro Inc.      35%   19%   34%   18%
ScanSource, Inc.      25%   21%   19%   20%
BlueStar, Inc.      18%   15%   17%   12%
Other company (through 2013)      n/a    *    n/a    11%
Major customers as a percentage of net accounts receivable balances
   June 30,  December 31,
   2014  2013
Company A    53%   43%
Company B    21%   28%
Company C    *    14%