Accounts Receivable

12 Months Ended

Mar. 31, 2021

Receivables [Abstract]

Loans, Notes, Trade and Other Receivables Disclosure [Text Block]

3.                   Accounts Receivable

The following table sets forth the components of accounts receivable: 

	March 31,
	2021			2020
Government	$	1,700,907		$	1,095,131
Commercial		239,914			324,013
Less: Allowance for doubtful accounts		(7,500	)		(7,500	)
	$	1,933,321		$	1,411,644