INCOME TAXES - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Income Tax Disclosure [Abstract]
Net operating loss carryforwards	$ 5,300
Net operating loss carryforwards subject to expiration	4,700
Tax credit carryforward, amount	700
Tax credit carryforward subject to expiration	400
Tax credit carryforward not subject to expiration	300
Net deferred tax assets	8	$ 0
Deferred tax assets for recoverable alternative minimum tax credits	245
Deferred tax liability related to indefinite lived assets	237
Decrease in valuation allowance	$ 700