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3. Inventory (Tables)
6 Months Ended
Jun. 30, 2016
Inventory Disclosure [Abstract]  
Inventory

 

    June 30, 2016   December 31, 2015
                 
Raw materials   $ 335,564     $ 348,342  
Less: reserve     (158,191 )     (158,191 )
    $ 177,373     $ 190,151