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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 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 years ended December 31, 2022, 2021 and 2020:
 Years ended December 31,
 202220212020
Expected common stock price volatility84%114%118%
Risk-free interest rate
1.38%-4.29%
0.31%-1.22%
0.22%-1.34%
Expected term of options (years)4.65.24.6
Expected dividend yield
Schedule of Share-based Compensation Expense Share-based compensation expense includes expenses related to stock options and RSUs granted to employees, non-employee directors and consultants, as well as the option granted to employees to purchase shares under the ESPP, all of which have been reported in the Company’s Statements of Operations as follows:
 Years ended December 31,
 202220212020
Research and development$11,865 $6,522 $4,166 
General and administrative14,811 4,723 4,157 
Total$26,676 $11,245 $8,323