Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Apr. 30, 2025	Apr. 30, 2024
Basic and diluted net income (loss) per share computation (dollars in thousands):
Net income (loss) attributable to common stockholders	$ 4,701	$ (7,276)
Weighted Average common shares, basic (in shares)	13,659,786	13,547,604
Basic net loss per share (in usd per share)	$ 0.34	$ (0.54)
Net income (loss) attributable to common stockholders	$ 4,701	$ (7,276)
Incremental shares from assumed exercise of stock options (in shares)	606,995	0
Adjusted weighted average share – diluted (in shares)	14,266,781	13,547,604
Diluted net income (loss) per share (in usd per share)	$ 0.33	$ (0.54)