STOCK BASED COMPENSATION - Stock Option Activity (Details) - $ / shares shares in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Options Outstanding
Options outstanding at beginning of period (in shares)	1,145	1,280	920
Granted (in shares)	27	82	578
Exercised (in shares)	(712)	(154)	0
Forfeited or canceled (in shares)	(119)	(63)	(218)
Options outstanding at end of period (in shares)	341	1,145	1,280
Options exercisable (in shares)	33
Weighted Average Exercise Price
Options outstanding at beginning of period (in dollars per share)	$ 4.45	$ 4.26	$ 4.57
Granted (in dollars per share)	7.57	6.74	3.73
Exercised (in dollars per share)	4.44	4.32	0
Forfeited or canceled (in dollars per share)	6.61	3.95	4.16
Options outstanding at end of period (in dollars per share)	3.96	$ 4.45	$ 4.26
Options exercisable (in dollars per share)	$ 4.85