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4. INVENTORY
9 Months Ended
Sep. 30, 2017
Notes to Financial Statements  
4. INVENTORY
   

September 30,

2017

   

December 31,

2016

 
Completed goods   $ 1,761,747     $ 1,646,465  
Work in progress     206,110       2,572  
Raw materials     2,450,743       2,137,056  
    $ 4,418,600     $ 3,786,093