STOCK BASED COMPENSATION - Summary of Stock Options Outstanding and Exercisable (Details) shares in Thousands	12 Months Ended
	Jun. 30, 2020 $ / shares shares
Options Outstanding
Outstanding (in shares) | shares	1,145
Weighted average exercise price (in dollars per share)	$ 4.45
Options Exercisable
Exercisable (in shares) | shares	591
Weighted average exercise price (in dollars per share)	$ 4.59
$2.51 - $3.75
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price, minimum (in dollars per share)	2.51
Range of Exercise Price, maximum (in dollars per share)	$ 3.75
Options Outstanding
Outstanding (in shares) | shares	58
Weighted average remaining life	4 years 8 months 19 days
Weighted average exercise price (in dollars per share)	$ 3.18
Options Exercisable
Exercisable (in shares) | shares	20
Weighted average remaining life	3 years 5 months 1 day
Weighted average exercise price (in dollars per share)	$ 3.02
$3.76 - $5.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price, minimum (in dollars per share)	3.76
Range of Exercise Price, maximum (in dollars per share)	$ 5.00
Options Outstanding
Outstanding (in shares) | shares	882
Weighted average remaining life	4 years 1 month 20 days
Weighted average exercise price (in dollars per share)	$ 4.10
Options Exercisable
Exercisable (in shares) | shares	444
Weighted average remaining life	2 years 10 months 9 days
Weighted average exercise price (in dollars per share)	$ 4.27
$5.01 - $7.50
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price, minimum (in dollars per share)	5.01
Range of Exercise Price, maximum (in dollars per share)	$ 7.50
Options Outstanding
Outstanding (in shares) | shares	205
Weighted average remaining life	3 years 9 months 10 days
Weighted average exercise price (in dollars per share)	$ 6.29
Options Exercisable
Exercisable (in shares) | shares	127
Weighted average remaining life	1 year 9 months 21 days
Weighted average exercise price (in dollars per share)	$ 5.95