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, 2020	$ 1,053,583	$ 7,339,351	$ 317,429	$ (346,001)	$ 8,364,362
Net income (loss)			(261,143)		(261,143)
Issuance of stock through options exercised	5,850	72,945			78,795
Stock based compensation		41,813			41,813
Ending balance, value at Dec. 31, 2020	1,059,433	7,454,109	56,286	(346,001)	8,223,827
Beginning balance, value at Sep. 30, 2020	1,054,333	7,375,984	(24,211)	(346,001)	8,060,105
Net income (loss)			80,497		80,497
Issuance of stock through options exercised	5,100	64,260			69,360
Stock based compensation		13,865			13,865
Ending balance, value at Dec. 31, 2020	1,059,433	7,454,109	56,286	(346,001)	8,223,827
Beginning balance, value at Mar. 31, 2021	1,071,833	7,624,214	473,361	(346,001)	$ 8,823,407
Beginning balance, shares at Mar. 31, 2021					2,143,666
Beginning balance, held in treasury, shares at Mar. 31, 2021					(67,000)
Net income (loss)			1,857,136		$ 1,857,136
Issuance of stock through options exercised	22,500	273,140			295,640
Stock based compensation		62,003			$ 62,003
Common stock shares, issued					45,000
Common stock shares, held in treasury, Acquisitions, shares
Ending balance, value at Dec. 31, 2021	1,094,333	7,959,357	2,330,497	(346,001)	$ 11,038,186
Ending balance, shares at Dec. 31, 2021					2,188,666
Ending balance, held in treasury, shares at Dec. 31, 2021					(67,000)
Common stock shares, outstanding at Dec. 31, 2021					2,121,666
Beginning balance, value at Sep. 30, 2021	1,085,783	7,832,429	1,577,195	(346,001)	$ 10,149,406
Net income (loss)			753,302		753,302
Issuance of stock through options exercised	8,550	101,358			109,908
Stock based compensation		25,570			25,570
Ending balance, value at Dec. 31, 2021	$ 1,094,333	$ 7,959,357	$ 2,330,497	$ (346,001)	$ 11,038,186
Ending balance, shares at Dec. 31, 2021					2,188,666
Ending balance, held in treasury, shares at Dec. 31, 2021					(67,000)
Common stock shares, outstanding at Dec. 31, 2021					2,121,666