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Unbilled Accounts Receivable (Details) - USD ($)
Jun. 30, 2016
Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unbilled accounts receivable $ 5,819,539 $ 6,637,587
Commercial [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unbilled accounts receivable 518,635 422,138
Government [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Unbilled accounts receivable $ 5,300,904 $ 6,215,449