Accounts Receivable (Tables)

3 Months Ended

Mar. 31, 2022

Accounts Receivable [Abstract]

Summary of accounts receivable

	2022			2021
Billed:
Construction services	$	2,370,435		$	2,293,187
Engineering services		11,795			86,388
Medical revenue		122,939			679,446
Retainage receivable		686,560			635,049
Other receivable		195,888			186,692
Total gross receivables		3,387,617			3,880,762
Less: allowance for credit losses		(963,116	)		(963,116	)
Total net receivables	$	2,424,501		$	2,917,646