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Stock-Based Compensation - Fair Value of Stock Options Assumptions Using Black-Scholes Option Valuation Model (Details)
6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Risk-free interest rate 4.09%  
Risk-free interest rate, Minimum   3.51%
Risk-free interest rate, Maximum   3.87%
Expected volatility, Minimum 114.65% 89.69%
Expected volatility, Maximum 170.50% 95.63%
Expected dividend yield 0.00% 0.00%
Maximum [Member]    
Expected life in years 5 years 3 months 7 days 6 years 3 months
Minimum [Member]    
Expected life in years 5 years 14 days 5 years 21 days