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Fair Value Measurements - Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Assets    
Total financial assets   $ 0
Fair Value Measurements, Recurring    
Assets    
Total financial assets $ 9,981,000  
Fair Value Measurements, Recurring | U.S. Treasury Notes    
Assets    
Total financial assets 7,526,000  
Fair Value Measurements, Recurring | Quoted Prices in Active Markets for identical Assets (Level 1)    
Assets    
Total financial assets 9,981,000  
Fair Value Measurements, Recurring | Quoted Prices in Active Markets for identical Assets (Level 1) | U.S. Treasury Notes    
Assets    
Total financial assets 7,526,000  
Fair Value Measurements, Recurring | Money Market Funds    
Assets    
Total financial assets 2,455,000  
Fair Value Measurements, Recurring | Money Market Funds | Quoted Prices in Active Markets for identical Assets (Level 1)    
Assets    
Total financial assets $ 2,455,000