XML 61 R51.htm IDEA: XBRL DOCUMENT v3.21.1
Patents - Schedule of Patents (Details) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]    
Patents, Cost $ 209,404 $ 208,211
Accumulated Amortization 183,376 178,074
Patents, Net $ 26,028 $ 30,137