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Inventories (Tables)
 6 Months Ended
Jun. 30, 2013
Inventories

Inventories consisted of the following:

 

 

December 31,
2012

 

 

June 30,
2013

 

 

 

 

 

(Unaudited)

 

Purchased materials             

$

  1,013,492

  

 

$

  809,139

  

Finished goods             

 

  1,561,043

  

 

 

  2,028,673

  

Reserve             

 

(451,156

) 

 

 

(693,042

) 

 

$

  2,123,379

  

 

$

  2,144,770