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Stock-Based Compensation - Fair Value of Stock Options Assumptions Using Black-Scholes Option Valuation Model (Details)
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Risk-free interest rate 4.09%  
Risk-free interest rate, Minimum   3.58%
Risk-free interest rate, Maximum   3.87%
Expected life in years 5 years 3 months 7 days  
Expected volatility 114.65%  
Expected volatility, Minimum   89.69%
Expected volatility, Maximum   95.63%
Expected dividend yield 0.00% 0.00%
Maximum [Member]    
Expected life in years   6 years 3 months
Minimum [Member]    
Expected life in years   5 years 21 days