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Benefit Plans - Schedule of assumptions used to calculate the fair value of stock options (Details) - Equity Option [Member]
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Schedule of assumptions used to calculate the fair value of stock option awards granted [Line Items]    
Expected dividend yield 0.00% 0.00%
Expected term of options   6 years
Minimum [Member]    
Schedule of assumptions used to calculate the fair value of stock option awards granted [Line Items]    
Expected stock price volatility 89.57% 84.80%
Risk-free interest rate 1.65% 0.59%
Expected term of options 5 years  
Maximum [Member]    
Schedule of assumptions used to calculate the fair value of stock option awards granted [Line Items]    
Expected stock price volatility 93.38% 87.70%
Risk-free interest rate 3.00% 1.90%
Expected term of options 6 years 11 months 23 days