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Statements of Operations (Parentheticals) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
General and administrative expenses [Member]    
Stock-based compensation $ 3,188,840 $ 4,221,733
Research and development [Member]    
Stock-based compensation 0 10,000
Sales and marketing [Member]    
Stock-based compensation $ 0 $ 0