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Inventories (Tables)
6 Months Ended
Jun. 30, 2013
Inventory Disclosure [Abstract]  
Summary of Inventories

Inventories consist of the following:

 

     June 30,
2013
    December 31,
2012
 

Raw materials

   $ 235,108      $ 199,257   

Finished goods

     715,207        999,391   
  

 

 

   

 

 

 
     950,315        1,198,648   

Allowance for excess inventory quantities

     (47,017     (60,166
  

 

 

   

 

 

 
   $ 903,298      $ 1,138,482