Summary of Significant Accounting Policies - Schedule of Geographic Makeup of Net Sales and Breakdown of International Net Sales by Region (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2022
Disaggregation Of Revenue [Line Items]
Total net sales	$ 201,099	$ 191,209	$ 247,526
Change in Total net sales	$ 9,890
% Change in Total net sales	5.20%
Domestic Net Sales
Disaggregation Of Revenue [Line Items]
Total net sales	$ 189,027	182,299	234,803
Change in Total net sales	$ 6,728
% Change in Total net sales	3.70%
International Net Sales
Disaggregation Of Revenue [Line Items]
Total net sales	$ 12,072	8,910	12,723
Change in Total net sales	$ 3,162
% Change in Total net sales	35.50%
Canada
Disaggregation Of Revenue [Line Items]
Total net sales	$ 5,111	4,091	5,207
Change in Total net sales	$ 1,020
% Change in Total net sales	24.90%
Europe
Disaggregation Of Revenue [Line Items]
Total net sales	$ 4,337	2,936	4,846
Change in Total net sales	$ 1,401
% Change in Total net sales	47.70%
All Others International
Disaggregation Of Revenue [Line Items]
Total net sales	$ 2,624	$ 1,883	$ 2,670
Change in Total net sales	$ 741
% Change in Total net sales	39.40%