Accounts Receivable and Significant Concentrations (Details) - USD ($)	Mar. 31, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross accounts receivable	$ 7,199,378	$ 10,638,491
Less: allowances for doubtful accounts	(76,486)	(73,378)
Accounts receivable, net	7,122,892	10,565,113
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross accounts receivable	3,210,857	2,616,702
Government [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross accounts receivable	$ 3,988,521	$ 8,021,789