3. Accounts Receivable (Tables)

12 Months Ended

Mar. 31, 2019

Receivables [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

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