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COMMON STOCK PURCHASE AND OPTION TO PURCHASE ADDITIONAL SHARES (Details) (USD $)
 0 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended 0 Months Ended 1 Months Ended 2 Months Ended
Feb. 01, 2010
item
Dec. 31, 2010
Dec. 31, 2010
Common Stock
Sep. 07, 2010
BEIID and Elite Noble Limited and Shah Capital Opportunity Fund LP
Feb. 01, 2010
BEIID and Elite Noble Limited and Shah Capital Opportunity Fund LP
Sep. 07, 2010
BEIID and Elite Noble Limited and Shah Capital Opportunity Fund LP
Option to purchase additional shares
Dec. 31, 2012
BEIID and Elite Noble Limited and Shah Capital Opportunity Fund LP
Option to purchase additional shares
Sep. 07, 2010
BEIID and Elite Noble Limited and Shah Capital Opportunity Fund LP
Common Stock
Sep. 07, 2010
BEIID and Elite Noble Limited and Shah Capital Opportunity Fund LP
Common Stock
Option to purchase additional shares
Nov. 08, 2010
Elite Noble Limited
Oct. 07, 2010
Elite Noble Limited
Nov. 08, 2010
Elite Noble Limited
COMMON STOCK PURCHASE AND OPTION TO PURCHASE ADDITIONAL SHARES                        
Number of unrelated investment funds 2                      
COMMON STOCK PURCHASE AND OPTION TO PURCHASE ADDITIONAL SHARES                        
Proposed investment         $ 48,500,000              
Purchase price per share (in dollars per share)       $ 2.2                
Reduced purchase price per share (in dollars per share)       $ 2.027                
Option to purchase additional shares. Maximum (in shares)                       3,972,251
Option to purchase additional shares after reverse share split, maximum (in shares)                       1,324,084
Option to purchase additional shares, maximum, value                       8,100,000
Exercise price per share (in dollars per share)                   $ 2.047 $ 2.027  
Exercise price per share after reverse share split (in dollars per share)                   $ 6.141 $ 6.081  
Stock issued during period (in shares)     7,515,491 [1]         18,073,202        
Stock issued during period after reverse share split (in shares)               6,024,401        
Net cash proceeds from issuance of common stock   34,594,000   34,600,000   500,000   34,100,000        
Fair Value of Option             $ 500,000          
Risk-free interest rate (as a percent)                 0.16%      
Volatility rate (as a percent)                 55.00%      
Contractual life                 2 months 12 days      
Dividend rate (as a percent)                 0.00%      
[1] Authorized share capital of the company was amended by the consolidation of the existing 750,000,000 Ordinary Shares of US$0.00125 par value each into 250,000,000 Ordinary Shares of US$0.00375 par value each effective from March 21, 2013. The authorized shares, issued shares, outstanding shares, and treasury stock shares for 2012 and 2011 have been adjusted retroactively to reflect the one for three reverse share split.