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Concentration (Tables)
6 Months Ended
Jun. 30, 2015
Risks and Uncertainties [Abstract]  
Schedule of accounts receivable and revenue concentration

The following table summarizes accounts receivable and revenue concentrations:

Accounts Receivable
As of June 30,
Total Revenue
for the three months
ended June 30,
Total Revenue
for the six months
ended June 30,
201520142015201420152014
Customer #119%-----
Customer #232%25%11%-13%-
Customer #3--10%-19%-
Customer #431%44%28%32%16%19%
Customer #5-----11%
Total concentration82%69%49%32%48%30%