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Schedule of Revenue by Country (Details) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Total $ 950,200 $ 860,200
UNITED STATES    
Total 390,600 273,700
BRAZIL    
Total 211,000 153,600
JAPAN    
Total 109,000 124,500
Other Countries [Member]    
Total $ 239,600 $ 308,400