WARRANTS (Details 2) (USD $)
In Thousands, except Share data, unless otherwise specified
0 Months Ended
Dec. 31, 2013
Aug. 18, 2011
Vicis' Amended Warrants
Warrants classified as liabilities
Oct. 27, 2011
Shoen's Amended Warrants
Warrants classified as liabilities
Dec. 31, 2012
Vicis'/Shoen's Amended Warrants
Warrants classified as liabilities
Dec. 31, 2011
Vicis'/Shoen's Amended Warrants
Warrants classified as liabilities
Jan. 25, 2010
IPO Warrants
Warrants classified as equity
Jul. 19, 2011
Underwriter's Warrants
Jan. 25, 2010
Underwriter's Warrants
Warrants classified as equity
Assumptions used in estimating the fair values of the outstanding warrants at commitment date                
Average risk-free rate of return (as a percent)   0.24% 0.24% 0.14% 0.24% 2.40%   2.40%
Expected term/life   2 years 4 months 17 days 2 years 2 months 5 days 1 year 2 years 4 years 11 months 26 days   4 years 11 months 26 days
Volatility rate (as a percent)   52.52% 51.20% 88.40% 72.00% 66.00%   66.00%
Fair value of ordinary share (in dollars per share)   $ 0.14 $ 0.04 $ 0.57 $ 0.04 $ 4.93   $ 4.93
Estimated forfeiture rate (as a percent)   0.00% 0.00% 0.00% 0.00% 0.00%   0.00%
Additional disclosure                
Shares that can be purchased by warrants outstanding (in shares) 19,440,000              
Number of warrants with exercise price below the fair value of the ordinary shares 0              
Aggregate intrinsic value of warrants $ 0              
Vesting period of warrants after the IPO             540 days