Schedule of Contractual Maturities of Available-for-sale Debt Securities (Details) - USD ($) $ in Thousands	Jul. 31, 2023	Jul. 31, 2022
Investments, Debt and Equity Securities [Abstract]
Within one year	$ 35,176
After one year through five years	6,019
After five years through ten years	1,172
After ten years	47
TOTAL	$ 42,414	$ 22,303