PREFERRED STOCK (Details) - USD ($) $ / shares in Units, $ in Millions			6 Months Ended
	Aug. 12, 2013	Mar. 09, 2012	Jun. 30, 2015
Series B Convertible Preferred Stock
Conversion period			5 years
Series B-1 non-voting convertible preferred stock
Series B Convertible Preferred Stock
Number of shares sold		12,308
Offering price per share (in dollars per share)		$ 3,250
Accumulated but undeclared dividends (in shares)			284,979
Period of closing of offering after which shares are convertible	5 years
Redemption price (in dollars per share)	$ 7,430
Series B voting convertible preferred stock
Series B Convertible Preferred Stock
Conversion price per share (in dollars per share)			$ 3.25
Percentage of cumulative dividend rate			11.50%
Period of closing of offering after which shares are convertible	5 years
Reclassification of Series B preferred stock	$ 38.4