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Stock-based Compensation - Weighted-Average Assumptions used in Estimating Fair Value of each Stock Options using Black-Scholes Option-Pricing Model (Details)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Share-Based Payment Arrangement [Abstract]    
Risk-free interest rate 2.15% 0.99%
Expected volatility 92.95% 90.91%
Expected term (in years) 6 years 7 days 6 years 1 month 6 days