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Inventories (Tables)
 3 Months Ended
Mar. 31, 2013
Inventories

Inventories consisted of the following:

 

 

December 31,
2012  

March 31,
2013  

 

 

 

 

 

(Unaudited)

Purchased materials             

$              1,013,492             

$              927,795             

Finished goods             

              1,561,043             

              1,775,350             

Reserve             

              (451,156              )

              (471,138              )

 

 

 

 

$              2,123,379             

$              2,232,007