Schedule of Reconciliation of Basic and Diluted Net Income (loss) Per Share (Details) - USD ($)	3 Months Ended						9 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2024	Dec. 31, 2023
Income per common share:
Net income	$ 469,133	$ 317,198	$ 291,039	$ 345,610	$ 269,433	$ 465,614	$ 1,077,370	$ 1,080,657
Weighted avg. shares outstanding – basic	2,046,000			2,103,503			2,070,086	2,120,611
Effect of assumed exercise of dilutive stock options	45,808			48,280			44,850	49,097
Weighted avg. shares outstanding – dilutive	2,091,808			2,151,783			2,114,936	2,169,708
Basic	$ 0.23			$ 0.16			$ 0.52	$ 0.51
Diluted	$ 0.22			$ 0.16			$ 0.51	$ 0.50