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Inventories
3 Months Ended
Mar. 31, 2013
Inventory Disclosure [Abstract]  
Inventories
6. Inventories

 

The components of the Company’s inventories are as follows:

 

    March 31,     December 31,  
    2013     2012  
             
Raw materials   $ 3,718,539     $ 3,839,230  
Work in process     135,430       191,781  
Finished goods     27,042,947       21,524,523  
Total inventories   $ 30,896,916     $ 25,555,534