Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2021

Accounts Receivable [Abstract]

Summary of accounts receivable

		2021		2020
Billed:
Construction services	$	2,293,187		$	1,391,555
Engineering services		86,388			86,264
Medical revenue		679,446			1,157,819
Retainage receivable		635,049			615,136
Other receivable		186,692			180,748
Total gross receivables		3,880,762			3,431,522
Less: allowance for credit losses		(963,116	)		(795,914	)
Total net receivables	$	2,917,646		$	2,635,608