XML 42 R33.htm IDEA: XBRL DOCUMENT v3.21.2
Intangible Assets (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]          
Patent costs $ 768,138   $ 768,138   $ 768,138
Trademarks costs 121,661   121,661   119,911
Accumulated amortization on patents and trademarks 490,043   $ 490,043   $ 457,833
Expiration date of patents description     Amortization is calculated through the expiration date of the patents, which is December 2025    
Amortization of intangible assets $ 16,105 $ 15,902 $ 32,210 $ 31,805