Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Summary of Customer Concentration Risk Percentage (Details)

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Summary of Significant Accounting Policies - Summary of Customer Concentration Risk Percentage (Details)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Top Five Customers [Member] | Sales Revenue, Net [Member]          
Concentration as a percentage 65.00% 64.00% 49.00% 42.00%  
Top Five Customers [Member] | Accounts Receivable [Member]          
Concentration as a percentage     70.00%   86.00%
Federal Agencies [Member] | Sales Revenue, Net [Member]          
Concentration as a percentage 27.00% 3.00% 22.00% 2.00%  
Federal Agencies [Member] | Accounts Receivable [Member]          
Concentration as a percentage     1.00%   9.00%