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, 2016		$ 381,816	$ 19,337,939	$ (6,400)	$ (14,059,787)	$ 5,653,568
Balance, shares at Mar. 31, 2016		38,181,635
Net Income					1,706,198	1,706,198
Employee compensation-stock option			53,745			53,745
Exercise of stock options		$ 360	11,520	6,400		$ 18,280
Exercise of stock options, shares		36,000				36,000
Director Fees		$ 417	9,583			$ 10,000
Director Fees, shares		41,668
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
Net Income					152,486	152,486
Employee compensation-stock option			199,003			$ 199,003
Exercise of stock options, shares
Director Fees		$ 227	12,273			$ 12,500
Director Fees, shares		22,725
Balance at Mar. 31, 2018		$ 382,820	$ 19,624,063		$ (12,201,103)	$ 7,805,780
Balance, shares at Mar. 31, 2018		38,282,028