LINE OF CREDIT - Summary of line of credit (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015	Jun. 30, 2015
Line Of Credit Facility [Abstract]
Principal balance at period-end	$ 7,111	$ 4,000	$ 7,111	$ 4,000
Unamortized discount	(131)		(131)
Line of credit, net	6,980	$ 4,000	6,980	$ 4,000	$ 4,000
Maximum amount outstanding at any month end	7,111	4,000	7,111	5,000
Average balance outstanding during the period	$ 4,564	$ 4,000	$ 4,230	$ 4,100
Weighted-average interest rate:
As of the period-end	5.80%	5.30%	5.80%	5.30%
Paid during the period	5.50%	5.30%	5.30%	5.30%