Income Taxes (Details) - Schedule of Unrecognized Tax Benefits Roll Forward - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Schedule Of Unrecognized Tax Benefits Roll Forward Abstract
Balance at the beginning of the fiscal year	$ 230	$ 119
Additions based on positions taken in the current year	0	111
Additions based on positions taken in prior years	0	0
Decreases based on positions taken in prior years	0	0
Lapse in statute of limitations	0	0
Balance at the end of the fiscal year	$ 230	$ 230