Accounts Receivable and Significant Concentrations (Details) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross accounts receivable	$ 7,131,648	$ 5,497,504
Less: allowances for doubtful accounts	(345,264)	(344,411)
Accounts receivable, net	6,786,384	5,153,093
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross accounts receivable	2,816,288	2,319,142
Government [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross accounts receivable	$ 4,315,360	$ 3,178,362