XML 38 R28.htm IDEA: XBRL DOCUMENT v3.21.2
Patents and Trademarks (Tables)
9 Months Ended
Sep. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Finite-Lived Intangible Assets

The Company has recorded the following patent costs:

 Schedule of Finite-Lived Intangible Assets

  

September 30,

2021

  

December 31,

2020

 
Patents  $95,355   $77,722 
Accumulated amortization   (73,652)   (72,295)
Total patent costs, net  $21,703   $5,427