Note 7 - Income Taxes: Schedule of Provision for Income Tax Expense (Benefit) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Details
Current Federal Tax Expense (Benefit)			$ 2,637,970	$ 1,898,351
Deferred Income Tax Expense (Benefit)			(39,919)
Income tax	$ 562,081	$ 615,188	$ 2,598,051	$ 1,898,351