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Share-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2025
Share-Based Payment Arrangement [Abstract]  
Schedule Share-based Compensation Expense The following table summarizes the components of share-based compensation expense for the three months ended March 31, 2025 and 2024 (in thousands):
Three Months Ended March 31,
20252024
Research and development$126 $86 
General and administrative404 368 
Total share-based compensation expense$530 $454 
Schedule of Total Compensation Cost Related to Nonvested Awards
Total compensation cost related to unvested awards not yet recognized and the weighted-average periods over which the awards were expected to be recognized at March 31, 2025 were as follows (in thousands):
Stock OptionsRestricted Stock UnitsRestricted Stock
Unrecognized compensation cost$393 $251 $925 
Expected weighted-average period in years of compensation cost to be recognized2.210.752.32
Schedule of Fair Value of Share-based Compensation Awards
Total fair value of shares vested and the weighted average estimated fair values of shares granted for the three months ended March 31, 2025 and 2024 were as follows (in thousands):
Stock OptionsWarrants
Three Months Ended March 31,Three Months Ended March 31,
2025202420252024
Total fair value of shares vested$263 $199 $150 $— 
Weighted average estimated fair value of shares granted$2.60 $2.16 $1.99 $—