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Schedule of Available-for-sale Securities, Unrealized Loss Position (Details) - USD ($) $ in Thousands	Jul. 31, 2024	Jul. 31, 2023
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	$ 391	$ 645
Debt Securities, Available-for-Sale, Unrealized Loss Position	18,880	41,635
US Treasury Bill Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	66	148
Debt Securities, Available-for-Sale, Unrealized Loss Position	12,936	31,038
Government Sponsored Enterprise Notes [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	3
Debt Securities, Available-for-Sale, Unrealized Loss Position	2,634
Corporate Bond Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	322	8
Debt Securities, Available-for-Sale, Unrealized Loss Position	$ 3,310	3,873
Certificates of Deposit [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss		4
Debt Securities, Available-for-Sale, Unrealized Loss Position		3,356
Municipal Bonds [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss		485
Debt Securities, Available-for-Sale, Unrealized Loss Position		$ 3,368

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

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-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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