SHAREHOLDERS' EQUITY DEFICIT - Stock based compensation additional disclosures (Details) - $ / shares		12 Months Ended
	Aug. 06, 2015	Dec. 31, 2015
Stock options, employees
Stock-based compensation
Options granted (in shares)		263,711
Stock options, employees | Minimum
Stock-based compensation
Options granted (in dollars per share)		$ 3.00
Stock options, employees | Maximum
Stock-based compensation
Options granted (in dollars per share)		$ 7.45
Stock options, directors
Stock-based compensation
Options granted (in shares)	200,100
Options granted (in dollars per share)	$ 5.60