STOCK BASED COMPENSATION - Stock Option Activity (Details) - $ / shares	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Options Outstanding
Options outstanding at beginning of period (in shares)	1,280,000	920,000	865,000
Granted (in shares)	82,000	578,000	137,000
Exercised (in shares)	(154,000)	0	0
Forfeited or canceled (in shares)	(63,000)	(218,000)	(82,000)
Options outstanding at end of period (in shares)	1,145,000	1,280,000	920,000
Options exercisable (in shares)	591,000
Weighted Average Exercise Price
Options outstanding at beginning of period (in dollars per share)	$ 4.26	$ 4.57	$ 4.53
Granted (in dollars per share)	6.74	3.73	4.79
Exercised (in dollars per share)	4.32	0	0
Forfeited or canceled (in dollars per share)	3.95	4.16	4.50
Options outstanding at end of period (in dollars per share)	4.45	$ 4.26	$ 4.57
Options exercisable (in dollars per share)	$ 4.59