Condensed Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended
	Jul. 31, 2024	Jul. 31, 2023
Income Statement [Abstract]
Net Income	$ 2,705,000	$ 2,374,000
Unrealized gain on debt securities:
Unrealized holding gains (losses) arising during period	247,000	(31,000)
Income tax (expense) benefit related to other comprehensive income	(70,000)	8,000
Other Comprehensive Income	177,000	(23,000)
Comprehensive Income	$ 2,882,000	$ 2,351,000