Consolidated Statements of Shareholders' Equity - USD ($)	Preferred Stock [Member]	Common Stock [Member]	Additional Paid in Capital [Member]	Subscriptions Receivable [Member]	Accumulated Deficit [Member]	Total
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
Net Income					631,547	631,547
Employee compensation-stock option			39,928			39,928
Exercise of stock options		$ 1,600	11,000	(2,200)		$ 10,400
Exercise of stock options, shares		160,000				80,000
Director Fees		$ 228	12,272			$ 12,500
Director Fees, shares		22,725
Balance at Mar. 31, 2019		$ 384,648	$ 19,687,263	$ (2,200)	$ (11,569,556)	$ 8,500,155
Balance, shares at Mar. 31, 2019		38,464,753