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Concentration (Tables)
6 Months Ended
Jun. 30, 2014
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,
201420132014201320142013
Customer #1-13%----
Customer #2---14%-14%
Customer #325%54%----
Customer #4----11%-
Customer #544%-32%-19%-
Customer #6-14%----
Customer #7---13%-14%
Total concentration69%81%32%27%30%28%