Note 7 - Income Taxes: Schedule of Provision for Income Tax Expense (Benefit) (Details) - USD ($)	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Details
Current Federal Tax Expense (Benefit)	$ 1,141,854	$ 591,354
Deferred Income Tax Expense (Benefit)	167,355	(18,630)
Income tax provision	$ 1,309,209	$ 572,724