Accounts Receivable and Unbilled Accounts Receivable (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross accounts receivable	$ 5,497,504	$ 10,638,491
Less: allowances for doubtful accounts	(344,411)	(73,378)
Accounts receivable, net	5,153,093	10,565,113
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross accounts receivable	2,319,142	2,616,702
Government [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross accounts receivable	$ 3,178,362	$ 8,021,789