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INVENTORIES (Tables)
12 Months Ended
Dec. 31, 2012
INVENTORIES [Abstract]  
Schedule of Inventories

Inventories consist of the following:

 

                 
     December 31,  
     2011      2012  

Raw materials

   $ 2,405,734       $ 976,374   

Work-in-process

     4,598,613         5,759,153   

Finished goods

     17,171,762         8,399,995   
    

 

 

    

 

 

 

Total

   $ 24,176,109       $ 15,135,522