Note 7 - Schedule of Income Tax Provisions (Details) - USD ($)	12 Months Ended
Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Current taxes
Federal	$ 5,754,428	$ 6,608,923	$ 5,010,734
State	186,822	330,971	304,931
Deferred taxes
Federal	(55,254)	125,070	61,306
State	(1,214)	6,356	3,103
Income tax provision	$ 5,884,782	$ 7,071,320	$ 5,380,074

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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