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INVESTMENT LOSS (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2010
Investment income (loss)    
Impairment of long-term investment $ (1,081,700) $ (3,000,000)
Nernst New Energy (Suzhou) Co., Ltd.
   
Investment Income (Loss)    
Ownership percentage held by the entity 50.00%