SHARE-BASED COMPENSATION - Stock Option Activity (Details) - Stock options - USD ($)	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Options
Outstanding at the beginning of the period (in shares)	1,016,997	1,181,954
Awarded (in shares)	498,500	183,860
Exercised (in shares)	(183,492)
Forfeited (in shares)		(39,175)
Expired (in shares)	(221,840)	(309,642)
Outstanding at the end of the period (in shares)	1,110,165	1,016,997	1,181,954
Weighted Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)	$ 7.43	$ 8.76
Awarded (in dollars per share)	1.37	1.40
Exercised (in dollars per share)	0.66
Forfeited (in dollars per share)		4.21
Expired (in dollars per share)	9.64	10.71
Outstanding at the end of the period (in dollars per share)	$ 3.19	$ 7.43	$ 8.76
Stock Options
Options - Options exercisable at end of period (in shares)	740,915
Weighted Average Share Price - Options exercisable at end of period (in dollars per share)	$ 4.05
Aggregate intrinsic value - Options outstanding			$ 8,327
Weighted average remaining contractual term (years) - Options outstanding	3 years 6 months 22 days	3 years 4 months 21 days	3 years 1 month 21 days
Weighted average remaining contractual term (years) - Options exercisable	2 years 11 months 9 days