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12. Stockholders' Equity (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2021
Jun. 30, 2020
Issuance of common stock for services $ 4,200 $ 2,300    
Exercise of common stock warrants for cash 50,000      
Conversion of convertible debt to common stock $ 735,000   $ 735,000 $ 0
First quarter        
Issuance of common stock for services     10,000  
Issuance of common stock for services     $ 2,300  
Issuance of common stock for cashless warrant exercise     394,737  
Issuance of common stock for cashless warrant exercise     625,000  
Issuance of common stock for cashless warrant exercise     $ 150,000  
Second quarter        
Issuance of common stock for services 15,000      
Issuance of common stock for services $ 4,200      
Issuance of common stock for cashless warrant exercise 50,000      
Issuance of common stock for cashless warrant exercise 100,000      
Issuance of common stock for cashless warrant exercise $ 14,000      
Exercise of common stock warrants for cash, shares 277,778      
Conversion of convertible debt to common stock, shares 4,083,333      
Conversion of convertible debt to common stock $ 735,000