SHAREHOLDERS’ EQUITY - Beneficial Conversion Feature (Details) - USD ($) $ / shares in Units, $ in Millions	Apr. 26, 2017	Apr. 26, 2017	Apr. 18, 2017	Mar. 28, 2017	Mar. 28, 2017	Mar. 17, 2017
Series A Preferred Stock
SHAREHOLDERS’ EQUITY
Share price (in dollars per share)	$ 1,040	$ 1,040
Aggregate beneficial conversion feature		$ 0.5		$ 2.6
A reduction (the discount) to the additional paid-in capital		$ 0.7		$ 1.2
Amortization period for discount on beneficial conversion feature (in months)		6 months		6 months
Common Stock
SHAREHOLDERS’ EQUITY
Conversion price (in dollars per share)					$ 0.47	$ 0.47
Common Stock | Minimum
SHAREHOLDERS’ EQUITY
Share price (in dollars per share)	1.46	$ 1.46	$ 1.46	$ 1.60	1.60	1.60
Conversion price (in dollars per share)	0.80		0.80
Common Stock | Maximum
SHAREHOLDERS’ EQUITY
Share price (in dollars per share)	1.75	$ 1.75	1.75	$ 1.75	$ 1.75	$ 1.75
Conversion price (in dollars per share)	$ 0.87		$ 0.87