Condensed Statement of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2025	Jan. 31, 2024
Income Statement [Abstract]
Net Income	$ 1,607,000	$ 3,239,000	$ 6,528,000	$ 5,558,000
Unrealized gain (loss) on debt securities:
Unrealized holding gains (losses) arising during period	(81,000)	418,000	132,000	98,000
Income tax (expense) related to other comprehensive income	23,000	(118,000)	(37,000)	(28,000)
Other Comprehensive Income (Loss)	(58,000)	300,000	95,000	70,000
Comprehensive Income	$ 1,549,000	$ 3,539,000	$ 6,623,000	$ 5,628,000