3. Accounts Receivable

12 Months Ended

Mar. 31, 2019

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,
	2019			2018
Government	$	1,951,729		$	998,522
Commercial		251,870			104,027
Less: Allowance for doubtful accounts		(7,500	)		(7,500	)
	$	2,196,099		$	1,095,049