Schedule of Reconciliation of Basic and Diluted Net Income (loss) Per Share (Details) - USD ($)	3 Months Ended						9 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2022	Dec. 31, 2021
Income per common share:
Net income	$ 1,244,785	$ 1,211,716	$ 1,298,672	$ 753,302	$ 708,828	$ 395,006	$ 3,755,173	$ 1,857,136
Weighted avg. shares outstanding – basic	2,147,750			2,120,912			2,148,859	2,096,433
Effect of assumed exercise of dilutive stock options	$ 57,956			$ 55,328			$ 64,793	$ 50,284
Weighted avg. shares outstanding – dilutive	2,205,706			2,176,240			2,213,652	2,146,717
Basic	$ 0.58			$ 0.36			$ 1.75	$ 0.89
Diluted	$ 0.56			$ 0.35			$ 1.70	$ 0.89