Consolidated Statement of Changes in Stockholders' Equity (Unaudited) - USD ($)	Common Stock Par Value [Member]	Treasury Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Total
Balance at Mar. 31, 2017	$ 1,052,133	$ (346,001)	$ 7,244,848	$ 751,342	$ 8,702,322
Net income				(484,722)	(484,722)
Stock based compensation			13,775		13,775
Balance at Sep. 30, 2017	1,052,133	(346,001)	7,258,623	266,620	8,231,375
Balance at Mar. 31, 2018	$ 1,052,133	$ (346,001)	7,265,601	429,483	8,401,586
Balance, shares at Mar. 31, 2018	2,104,266	(67,000)
Net income				36,451	36,451
Issuance of stock through options exercised	1,450		16,791		18,241
Stock based compensation			$ 6,448		$ 6,448
Common stock shares, issued	2,900
Common stock shares, held in treasury, Acquisitions, shares
Balance at Sep. 30, 2018	$ 1,053,583	$ (346,001)	$ 7,288,840	$ 466,304	$ 8,462,726
Balance, shares at Sep. 30, 2018	2,107,166	(67,000)
Common stock shares outstanding at Sep. 30, 2018					2,040,166