FAIR VALUE MEASUREMENT OF ASSETS AND LIABILITIES (Details 2) (Warrant, USD $) In Thousands, except Share data in Millions, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Warrant
Financial Instruments Measured at Fair Value on a Recurring Basis
Number of shares that can be purchased out of warrants issued		1.35
Weighted-average price of warrant (in dollars per share)		$ 7.33
Remaining life		5 years
Volatility (as a percent)		58.00%
Dividend yield (as a percent)		0.00%
Risk-free rate (as a percent)		0.80%
Changes in fair value adjustment of warrants
Balance, beginning of the period	$ 74,437
Exercise of warrants	(67,326)
Fair value adjustment	(7,111)	74,437
Balance, end of the period		$ 74,437