Accounts Receivable and Significant Concentrations (Tables)

6 Months Ended

Jun. 30, 2022

Accounts Receivable and Significant Concentrations

Schedule of accounts receivable

	JUNE 30,		DECEMBER 31,
	2022		2021
	(Unaudited)
Government (1)	$	10,485,480	$	11,010,794
Commercial (2)		1,984,143		1,588,778
Gross accounts receivable		12,469,623		12,599,572
Less: allowances for doubtful
accounts (3)		45,023		62,988
Accounts receivable, net	$	12,424,600	$	12,536,584

Schedule of concentration of risk

	THREE MONTHS ENDED						SIX MONTHS ENDED
	JUNE 30,						JUNE 30,
Customer Type	2022			2021			2022			2021
	(Unaudited)
U.S. Federal Government (1)		80.5	%		83.3	%		79.1	%		82.6	%
U.S. State & Local and Foreign Governments		0.5	%		0.4	%		0.6	%		0.4	%
Commercial		18.9	%		16.3	%		20.2	%		17.0	%