Consolidated Statements of Shareholders' Equity - USD ($)	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Subscription Receivable [Member]	Accumulated Deficit [Member]	Total
Balance at Mar. 31, 2014		$ 380,706	$ 19,262,127		$ (15,933,335)	$ 3,709,498
Balance, shares at Mar. 31, 2014		38,070,642
Employee compensation-stock option			38,808			38,808
Director Fees		$ 469	7,031			$ 7,500
Director Fees, shares		46,875
Exercise of stock options, shares
Net Income					170,158	$ 170,158
Balance at Mar. 31, 2015		$ 381,175	19,307,966		(15,763,177)	3,925,964
Balance, shares at Mar. 31, 2015		38,117,517
Employee compensation-stock option			16,714			16,714
Director Fees		$ 441	7,059			7,500
Director Fees, shares		44,118
Exercise of stock options		$ 200	6,200	(6,400)
Exercise of stock options, shares		20,000				(20,000)
Net Income					1,703,390	$ 1,703,390
Balance at Mar. 31, 2016		$ 381,816	19,337,939	(6,400)	(14,059,787)	5,653,568
Balance, shares at Mar. 31, 2016		38,181,635
Employee compensation-stock option			53,745			53,745
Director Fees		$ 417	9,583			10,000
Director Fees, shares		41,668
Exercise of stock options		$ 360	11,520	6,400		$ 18,280
Exercise of stock options, shares		36,000				(36,000)
Net Income					1,706,198	$ 1,706,198
Balance at Mar. 31, 2017		$ 382,593	$ 19,412,787		$ (12,353,589)	$ 7,441,791
Balance, shares at Mar. 31, 2017		38,259,303