Investments - Available For Sale Securities (Details) - USD ($) $ in Thousands	Jul. 30, 2022	Apr. 30, 2022
Available-For-Sale Securities
Amortized Cost	$ 12,663	$ 24,751
Gross Unrealized Gains	1
Gross Unrealized Losses	(9)	(35)
Total	12,655	24,716
Municipal securities
Available-For-Sale Securities
Amortized Cost	7,668	19,756
Gross Unrealized Gains	1
Gross Unrealized Losses	(5)	(31)
Total	7,664	19,725
U.S. government securities
Available-For-Sale Securities
Amortized Cost	4,995	4,995
Gross Unrealized Losses	(4)	(4)
Total	$ 4,991	$ 4,991

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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+ References

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