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Property and Equipment
3 Months Ended
Mar. 31, 2017
Property, Plant and Equipment [Abstract]  
Property and Equipment
Property and Equipment
Property and equipment consist of the following:
 
March 31, 2017
 
December 31, 2016
Computers
$
70,960

 
$
70,960

Research equipment
305,066

 
305,066

 
376,026

 
376,026

Accumulated depreciation
(282,798
)
 
(266,203
)
 
$
93,228

 
$
109,823


Depreciation expense was $16,595 and $20,370 for the three months ended March 31, 2017 and 2016, respectively.