INCOME TAXES INCOME TAXES - Unrecognized Tax Benefit Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Unrecognized Income Tax Benefits [Roll Forward]
Balance at the beginning of the year	$ 210	$ 0	$ 0
Gross increases and decreases related to current period tax positions	0	180	0
Gross increases and decreases related to prior period tax positions	(3)	0	0
Accrued interest and penalties	0	30	0
Balance at the end of the year	$ 207	$ 210	$ 0