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Summary of Significant Accounting Policies (Details) - Schedule of fair value of stock options issued
6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Summary of Significant Accounting Policies (Details) - Schedule of fair value of stock options issued [Line Items]        
Expected volatility       70.00%
Expected term (in years) 6 years 3 months 6 years 3 months    
Risk-free interest rate 0.10%      
Expected dividend yield 0.00% 0.00% 0.00% 0.00%
Minimum [Member]        
Summary of Significant Accounting Policies (Details) - Schedule of fair value of stock options issued [Line Items]        
Expected volatility 78.00% 80.00% 79.60%  
Expected term (in years)     6 years 2 months 12 days 6 years 1 month 6 days
Risk-free interest rate   0.00% 0.30% 1.40%
Maximum [Member]        
Summary of Significant Accounting Policies (Details) - Schedule of fair value of stock options issued [Line Items]        
Expected volatility 87.10% 80.10% 90.50%  
Expected term (in years)     10 years 10 years
Risk-free interest rate   0.20% 1.60% 3.00%