SHAREHOLDERS’ EQUITY - Common Stock - Investor Warrants - Common Unit Offering (Details) - USD ($) $ / shares in Units, $ in Millions		12 Months Ended
	Jun. 05, 2017	Jun. 30, 2017
Common Stock
SHAREHOLDERS’ EQUITY
Units issued, shares or units consisting of units issued (in shares)	1
Shares issued (in shares)	4,335,625	4,335,625
Common Unit Investor Warrant
SHAREHOLDERS’ EQUITY
Number of shares each warrant can purchase (in shares)	0.75
Common stock exercisable period	2 years
Exercise price (in dollars per share)	$ 1.825
Warrants issued to purchase shares of common stock (in shares)	3,251,726
Fair value of warrants		$ 1.7