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Stock-Based Compensation - Weighted Average Assumptions (Details) - Stock Options - Employees and Directors
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk-free interest rate 4.21% 4.09%
Expected volatility 105.00% 99.00%
Expected life in years 5 years 6 months 5 years 6 months
Dividend yield 0.00% 0.00%