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MAINLAND CHINA CONTRIBUTION PLAN AND PROFIT APPROPRIATION (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
MAINLAND CHINA CONTRIBUTION PLAN AND PROFIT APPROPRIATION [Abstract]      
Contributions to defined contribution plans $ 3,325,383 $ 2,189,273 $ 1,117,187
Appropriated from retained earnings 16,803,191 16,803,191  
Restrictions of statutory reserves $ 124,814,365 $ 140,003,191