STOCK-BASED COMPENSATION PLANS (Details) - USD ($)	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Stock Based Compensation [Line Items]
Granted, Number of Shares	160,000
Vested and Expected to vest, Number of Shares	90,000
Equity Option [Member]
Stock Based Compensation [Line Items]
Oustanding, Number of Shares	350,000	350,000
Granted, Number of Shares	18,000	0
Exercised, Number of Shares	0	0
Forfeited, Number of Shares	0	0
Exchanged, Number of Shares	0	0
Oustanding, Number of Shares	368,000	350,000	350,000
Exercisable, Number of Shares	286,000	236,000
Vested and Expected to vest, Number of Shares	368,000	350,000
Oustanding, Weighted Average Exercise Price	$ 16.7	$ 16.7
Granted, Weighted Average Exercise Price	27.30	0
Exercised, Weighted Average Exercise Price	0	0
Forfeited, Weighted Average Exercise Price	0	0
Exchanged, Weighted Average Exercise Price	0	0
Oustanding, Weighted Average Exercise Price	17.21	16.7	$ 16.7
Exercisable, Weighted Average Exercise Price	16.19	15.54
Vested and Expected to vest, Weighted Average Exercise Price	$ 17.21	$ 16.7
Oustanding at Weighted Average Remaining Life	5 years 2 months 1 day	5 years 11 months 12 days	6 years 11 months 12 days
Exercisable, Weighted Average Remaining Life	5 years 2 months 12 days	5 years 3 months 29 days
Vested and Expected to vest, Weighted Average Remaining Life	5 years 2 months 1 day	5 years 11 months 12 days
Outstanding, Aggregate Intrinsic Value	$ 3,046,000	$ 3,082,000	$ 939,000
Exercisable, Aggregate Intrinsic Value	2,635,000	2,351,000
Vested and Expected to vest, Aggregate Intrinsic Value	$ 3,046,000	$ 3,082,000