INCOME TAXES - NARRATIVE (Details) - USD ($)	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Operating Loss Carryforwards [Line Items]
Stock-based compensation deferred tax asset write-off	$ 0	$ 6,800,000
Increase in tax expense due to write-off		$ 2,000,000
Deferred tax liability recognized from acquisition			$ 2,200,000
Reduction in effective tax rate for tax credits received (as percent)	0.59%	0.77%	1.55%
Federal
Operating Loss Carryforwards [Line Items]
Operating loss carryforward	$ 7,400,000
Annual 382 limitation	2,300,000
State
Operating Loss Carryforwards [Line Items]
Operating loss carryforward	2,300,000
Annual 382 limitation	100,000
Operating loss carryfoward, subject to limitation	$ 1,800,000