CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (Unaudited) - USD ($) $ in Thousands	Oct. 31, 2024	Apr. 30, 2024
Statement of Financial Position [Abstract]
Allowance for credit losses	$ 159	$ 133
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, authorized	20,000,000	20,000,000
Preferred stock, issued	0	0
Preferred stock, outstanding	0	0
Common stock, par value	$ 0.001	$ 0.001
Common stock, authorized	100,000,000	100,000,000
Common stock, issued	14,889,594	14,701,280
Common stock, outstanding	12,832,682	12,797,865
Treasury stock, shares	2,056,912	1,903,415