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SHARE-BASED COMPENSATION - Restricted Stock Awards - Additional Information (Details) - Restricted stock awards - 2015 Plan - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Stock-Based Compensation
Fair value of vested shares	$ 2.9	$ 3.2	$ 2.4
Unrecognized compensation expense	$ 2.1
Weighted average period	2 years 2 months 12 days
Minimum \| Employees
Stock-Based Compensation
Vesting period (in years)	1 year
Maximum \| Employees
Stock-Based Compensation
Vesting period (in years)	3 years