Accounts Receivable and Significant Concentrations (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2020
Accounts receivable, gross	$ 10,233,699	$ 35,996,830
Less: allowances for doubtful accounts	84,971	114,169
Accounts receivable, net	10,148,728	35,882,661	$ 35,882,661
Commercial
Accounts receivable, gross	1,208,536	1,898,924
Government
Accounts receivable, gross	$ 9,025,163	$ 34,097,906

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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-Publisher FASB
-Name Accounting Standards Codification
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