Note 4 - Accounts Receivable, net

6 Months Ended

Sep. 30, 2018

Receivables [Abstract]

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

Note 4 – Accounts Receivable, net

The following table sets forth the components of accounts receivable:

	September 30, 2018			March 31, 2018
Government	$	436,180		$	998,522
Commercial		340,873			104,027
Less: Allowance for doubtful accounts		(7,500	)		(7,500	)
	$	769,553		$	1,095,049