Accounts Receivable and Significant Concentrations (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Gross accounts receivable	$ 14,707,163	$ 11,196,048
Less: allowances for doubtful accounts	(126,235)	(106,733)
Accounts receivable, net	14,580,928	11,089,315
Government
Gross accounts receivable	12,604,582	7,332,338
Commercial
Gross accounts receivable	$ 2,102,581	$ 3,863,710

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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