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Patents (Tables)
 3 Months Ended
Mar. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of capitalized patent costs included in other assets

 

 

 

March 31,

2017

 

December 31,

2016

 

 

 

 

 

 

 

Patent costs

 

$

484,717

 

$

482,142

 

Less accumulated amortization

 

 

(50,950

)

 

(47,555

)

 

 

$

433,767

 

$

434,587