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Inventory
12 Months Ended
Dec. 31, 2011
Inventory [Abstract]  
Inventory

3. Inventory

Inventory consists of the following:

 

                 
    

December 31, 
2011

    December 31,
2010
 

Raw materials

   $   2,264,603      $ 1,547,020   

Work in process

       131,980        592,221   

Finished goods

       3,790,625        3,841,752   

Reserve for obsolescence

       (151,157     (539,518
                  

Total inventory

   $   6,036,051      $ 5,441,475