Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
Beginning balance, value at Mar. 31, 2021	$ 1,071,833	$ 7,624,214	$ 473,361	$ (346,001)	$ 8,823,407
Net income			1,103,834		1,103,834
Stock based compensation		36,433			36,433
Issuance of stock through options exercised	13,950	171,782			185,732
Ending balance, value at Sep. 30, 2021	1,085,783	7,832,429	1,577,195	(346,001)	10,149,406
Beginning balance, value at Jun. 30, 2021	1,074,333	7,669,579	868,367	(346,001)	9,266,278
Net income			708,828		708,828
Stock based compensation		22,568			22,568
Issuance of stock through options exercised	11,450	140,282			151,732
Ending balance, value at Sep. 30, 2021	1,085,783	7,832,429	1,577,195	(346,001)	10,149,406
Beginning balance, value at Mar. 31, 2022	1,108,208	8,133,982	3,328,427	(346,001)	$ 12,224,616
Beginning balance, shares at Mar. 31, 2022					2,216,416
Beginning balance, held in treasury, shares at Mar. 31, 2022					(67,000)
Net income			2,510,388		$ 2,510,388
Profit from purchase of stock by insider		30,179			30,179
Stock based compensation		60,002			$ 60,002
Common stock shares, issued
Common stock shares, held in treasury, Acquisitions, shares
Ending balance, value at Sep. 30, 2022	1,108,208	8,224,163	5,838,815	(346,001)	$ 14,825,185
Ending balance, shares at Sep. 30, 2022					2,216,416
Ending balance, held in treasury, shares at Sep. 30, 2022					(67,000)
Common stock shares, outstanding at Sep. 30, 2022					2,149,416
Beginning balance, value at Jun. 30, 2022	1,108,208	8,159,553	4,627,099	(346,001)	$ 13,548,859
Net income			1,211,716		1,211,716
Profit from purchase of stock by insider		30,179			30,179
Stock based compensation		34,431			34,431
Ending balance, value at Sep. 30, 2022	$ 1,108,208	$ 8,224,163	$ 5,838,815	$ (346,001)	$ 14,825,185
Ending balance, shares at Sep. 30, 2022					2,216,416
Ending balance, held in treasury, shares at Sep. 30, 2022					(67,000)
Common stock shares, outstanding at Sep. 30, 2022					2,149,416