Note 4 - Accounts Receivable, net (Details) - Schedule of Accounts, Notes, Loans and Financing Receivable - USD ($)	Dec. 31, 2017	Mar. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: Allowance for doubtful accounts	$ (7,500)	$ (7,500)
Accounts Receivable, net	1,660,757	1,556,382
Government Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable	1,461,090	1,392,482
Commercial Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable	$ 207,167	$ 171,400