Note 4 - Accounts Receivable, net (Details) - Schedule of Accounts, Notes, Loans and Financing Receivable - USD ($)	Sep. 30, 2017	Mar. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: Allowance for doubtful accounts	$ (7,500)	$ (7,500)
Accounts Receivable, net	1,067,277	1,556,382
Government Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable	660,135	1,392,482
Commercial Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable	$ 414,642	$ 171,400