Summary of Significant Accounting Policies - Schedule of Geographic Makeup of Net Sales (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2020
Disaggregation Of Revenue [Line Items]
Total net sales	$ 247,526	$ 276,687	$ 167,379
Change in Total net sales	$ (29,161)
% Change in Total net sales	(10.50%)
Domestic Net Sales
Disaggregation Of Revenue [Line Items]
Total net sales	$ 234,803	267,573	160,905
Change in Total net sales	$ (32,770)
% Change in Total net sales	(12.20%)
International Net Sales
Disaggregation Of Revenue [Line Items]
Total net sales	$ 12,723	$ 9,114	$ 6,474
Change in Total net sales	$ 3,609
% Change in Total net sales	39.60%