Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Apr. 30, 2022
Income Tax Disclosure [Abstract]
Income tax expense	$ 379	$ 251
Effective income tax rate	(111.50%)	(23.80%)
Deferred tax liability, global tax exposure for unremitted earnings of international subsidiaries	$ 1,042		$ 976