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Related Party Transactions (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2024	Jan. 31, 2023
Related Party
Related Party Transaction [Line Items]
Due to related parties	$ 0		$ 0
Board Member \| Board Member One
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction	$ 9	$ 9	$ 27	$ 27