Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares	Oct. 31, 2024	Apr. 30, 2024
Statement of Financial Position [Abstract]
Preferred stock, par value (in usd per share)	$ 1.00	$ 1.00
Preferred stock, shares authorized	2,000,000	2,000,000
Preferred stock, shares issued	0	0
Common stock, no par value (in usd per share)	$ 0	$ 0
Common stock, shares authorized	40,000,000	40,000,000
Common stock, shares issued	15,161,275	15,653,463
Common stock, shares outstanding	15,161,275	15,653,463