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Inventory (Tables)
 6 Months Ended
Jun. 30, 2016
Inventory [Abstract]  
Schedule of inventory
   

As of
June 30,
2016

    

As of
December 31, 2015

    

 

Increase

  
Raw materials   $ 474,021     $ 284,331     $ 189,690  
Work-in-process     581,315       452,024       129,291  
Finished goods     173,541       133,852       39,689  
Total   $ 1,228,877     $ 870,207     $ 358,670