Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2024

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, 2024 and 2023 (in thousands):

	Three Months Ended March 31,
	2024		2023
Research and development	$	86	$	187
General and administrative	368		488
Total share-based compensation expense	$	454	$	675

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, 2024 were as follows (in thousands):

	Stock Options		Restricted Stock Units		Restricted Stock
Unrecognized compensation cost	$	371	$	290	$	751
Expected weighted-average period in years of compensation cost to be recognized	2.28		0.92		2.17

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, 2024 and 2023 were as follows (in thousands):

	Stock Options
	Three Months Ended March 31,
	2024		2023
Total fair value of shares vested	$	199	$	324
Weighted average estimated fair value of shares granted	$	2.16	$	0.78