INCOME TAXES - Summary of Benefit (Provision) for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Current:
Federal	$ 0	$ 126	$ 0
State	(328)	(57)	(269)
Total current	(328)	69	(269)
Deferred:
Federal	(12)	(156)	(11)
State	(30)	86	18
Total deferred	(42)	(70)	7
Total income tax (provision) benefit	$ (370)	$ (1)	$ (262)