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Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2022
Accounting Policies [Abstract]  
Schedule of weighted-average assumptions used to estimate grant date fair value of stock options
The weighted-average assumptions used to estimate grant date fair value of stock options using the Black-Scholes option pricing model were as follows for the three and nine month periods ended September 30, 2022 and 2021:
 Three Months Ended September 30,Nine Months Ended September 30,
 2022202120222021
Expected common stock price volatility76%113%83%113%
Risk-free interest rate
2.64%-3.36%
0.68%-0.84%
1.38%-3.36%
0.31%-0.96%
Expected term of options (years)5.05.24.95.2
Expected dividend yield