Unbilled Accounts Receivable (Details) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unbilled accounts receivable	$ 6,048,130	$ 8,112,690
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unbilled accounts receivable	204,976	278,862
Government [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unbilled accounts receivable	$ 5,843,154	$ 7,833,828