INCOME TAXES - Summary of Benefit (Provision) for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Current:
Federal	$ 126	$ 0	$ (22)
State	(57)	(269)	(60)
Total current	69	(269)	(82)
Deferred:
Federal	(156)	(11)	183
State	86	18	0
Total deferred	(70)	7	183
(Provision) benefit for income taxes	$ (1)	$ (262)	$ 101