v2.4.0.6
SHARE-BASED COMPENSATION (Summary of Stock Option Activity) (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Feb. 26, 2009
Number of options      
Outstanding 7,356,249 6,962,675  
Exercised (1,635,252) (479,196)  
Forfeited (751,425) (777,280)  
Expired (91,475) (10,750)  
Outstanding 4,878,097 7,356,249  
Weighted average exercise price per option      
Outstanding $ 1.40 $ 1.40 $ 3.30
Exercised $ 1.40 $ 1.40  
Forfeited $ 1.40 $ 1.40  
Expired $ 1.40 $ 1.40  
Outstanding $ 1.40 $ 1.40 $ 3.30
Weight average fair value at grant date      
Outstanding $ 1.01 $ 1.22  
Exercised $ 1.01 $ 1.22  
Forfeited $ 1.01 $ 1.22  
Expired $ 1.01 $ 1.22  
Outstanding $ 1.01 $ 1.01  
Granted on January 25, 2011 [Member]
     
Number of options      
Granted   27,000  
Weighted average exercise price per option      
Granted   $ 1.40  
Weight average fair value at grant date      
Granted   $ 1.13  
Granted on December 15, 2010 but effective on May 10, 2011 (note) [Member]
     
Number of options      
Granted   812,700 [1]  
Weighted average exercise price per option      
Granted   $ 1.40 [1]  
Weight average fair value at grant date      
Granted   $ 1.12 [1]  
Granted on May 10, 2011 [Member]
     
Number of options      
Granted   274,000  
Weighted average exercise price per option      
Granted   $ 1.40  
Weight average fair value at grant date      
Granted   $ 1.12  
Granted on August 9, 2011 [Member]
     
Number of options      
Granted   532,100  
Weighted average exercise price per option      
Granted   $ 1.40  
Weight average fair value at grant date      
Granted   $ 0.79  
Granted on November 8, 2011 [Member]
     
Number of options      
Granted   15,000  
Weighted average exercise price per option      
Granted   $ 1.40  
Weight average fair value at grant date      
Granted   $ 0.91  
[1] The stock options were approved by the shareholder and Board of Directors on May 10, 2011.