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Schedule of Available-for-sale Securities, Unrealized Loss Position (Details) - USD ($) $ in Thousands	Jan. 31, 2025	Jul. 31, 2024
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	$ 321	$ 391
Debt Securities, Available-for-Sale, Unrealized Loss Position	10,171	18,880
US Treasury Bill Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	42	66
Debt Securities, Available-for-Sale, Unrealized Loss Position	5,309	12,936
Government Sponsored Enterprise Notes [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	1	3
Debt Securities, Available-for-Sale, Unrealized Loss Position	1,567	2,634
Corporate Bond Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	278	322
Debt Securities, Available-for-Sale, Unrealized Loss Position	$ 3,295	$ 3,310

X

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
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- Definition

Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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