INVESTMENTS IN MARKETABLE DEBT SECURITIES - Cash and Cash Equivalents and Marketable Securities Held (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Jun. 30, 2023
INVESTMENTS IN MARKETABLE DEBT SECURITIES
Amortized Cost	$ 56,820	$ 102,681
Gross Unrealized Gains		3
Gross Unrealized Losses	(79)	(354)
Fair Value	56,741	102,330
Corporate commercial paper
INVESTMENTS IN MARKETABLE DEBT SECURITIES
Amortized Cost	20,941	41,670
Gross Unrealized Losses	(12)	(73)
Fair Value	20,929	41,597
Obligations of U.S. government agencies
INVESTMENTS IN MARKETABLE DEBT SECURITIES
Amortized Cost	2,001	26,565
Gross Unrealized Losses	(4)	(170)
Fair Value	1,997	26,395
U.S. Treasury obligations
INVESTMENTS IN MARKETABLE DEBT SECURITIES
Amortized Cost	2,727	10,416
Gross Unrealized Gains		2
Gross Unrealized Losses	(7)	(14)
Fair Value	2,720	10,404
Corporate notes and bonds
INVESTMENTS IN MARKETABLE DEBT SECURITIES
Amortized Cost	30,888	19,253
Gross Unrealized Gains		1
Gross Unrealized Losses	(56)	(14)
Fair Value	30,832	19,240
Asset-backed securities
INVESTMENTS IN MARKETABLE DEBT SECURITIES
Amortized Cost	263	4,777
Gross Unrealized Losses		(83)
Fair Value	$ 263	$ 4,694

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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Amortized cost excluding accrued interest, before allowance for credit loss, of 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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