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Nature of Business, Basis of Presentation and Liquidity (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Nature of Business, Basis of Presentation and Liquidity [Abstract]    
Cash and cash equivalents $ 39,648,000 $ 27,142,000
Minimum [Member]    
Nature of Business, Basis of Presentation and Liquidity [Abstract]    
Additional estimated costs of clinical trial and general overhead 45,000,000  
Maximum [Member]    
Nature of Business, Basis of Presentation and Liquidity [Abstract]    
Additional estimated costs of clinical trial and general overhead $ 50,000,000