FAIR VALUE MEASUREMENT OF ASSETS AND LIABILITIES (Details) (USD $) In Thousands, except Share data in Millions, unless otherwise specified	3 Months Ended	9 Months Ended	3 Months Ended	6 Months Ended	9 Months Ended
	Dec. 31, 2012	Dec. 31, 2012	Dec. 31, 2012 Warrant	Sep. 30, 2012 Warrant	Dec. 31, 2012 Warrant
Financial Instruments Measured at Fair Value on a Recurring Basis
Number of shares that can be purchased out of warrants issued			1.35		1.35
Weighted-average price of warrant (in dollars per share)			$ 7.33		$ 7.33
Remaining life					5 years 4 months 24 days
Volatility (as a percent)					53.00%
Dividend yield (as a percent)					0.00%
Risk-free rate (as a percent)					0.81%
Balance, beginning of the period			$ 23,000
Fair value adjustment	41,800	64,800	41,761	23,000
Balance, end of the period			$ 64,761	$ 23,000	$ 64,761