Accounts Receivable and Significant Concentrations (Details) - USD ($)	Jun. 30, 2021	Dec. 31, 2020
Accounts receivable, gross	$ 8,840,840	$ 35,996,830
Less: allowances for doubtful accounts	86,854	114,169
Accounts receivable, net	8,753,986	35,882,661
Government
Accounts receivable, gross	7,185,598	34,097,906
Commercial
Accounts receivable, gross	$ 1,655,242	$ 1,898,924

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
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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