Condensed Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
Income Statement [Abstract]
Net Income	$ 607,000	$ 1,688,000	$ 1,659,000	$ 3,434,000
Unrealized (loss) on debt securities:
Unrealized holding (losses) arising during period	(203,000)	(61,000)	(175,000)	(50,000)
Income tax benefit related to other comprehensive income	57,000	18,000	49,000	14,000
Other Comprehensive (Loss)	(146,000)	(43,000)	(126,000)	(36,000)
Comprehensive Income	$ 461,000	$ 1,645,000	$ 1,533,000	$ 3,398,000