Quarterly report pursuant to Section 13 or 15(d)

4. Property and Equipment (Tables)

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4. Property and Equipment (Tables)
9 Months Ended
Sep. 30, 2016
Property, Plant and Equipment [Abstract]  
Property and equipment
    September 30, 2016     December 31, 2015  
      (unaudited)          
Office equipment   $ 28,040     $ 65,051  
Furniture and fixtures     2,880       4,075  
Testing equipment     18,197       12,914  
Subtotal     49,117       82,040  
Less accumulated depreciation     (30,627 )     (60,242 )
Total   $ 18,490     $ 21,798