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Stockholders’ (Deficit) Equity (Tables)
 9 Months Ended
Sep. 30, 2025
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Options Activity
The following table summarizes the Company’s option activity and related information:
Number of
Options
(in thousands)		Weighted-
Average
Exercise Price
Balance at December 31, 20243,909 $29.39 
Options granted1,148 3.97 
Options forfeited(88)41.00 
Balance at September 30, 20254,969 23.31 
Exercisable as of September 30, 20252,390 40.39 
Schedule of Restricted Stock Units Activity
The following table summarizes the Company’s RSUs activity and related information:
Number of RSUs
(in thousands)		Weighted-
Average Grant-
Date Fair Value
Outstanding at December 31, 2024259 $16.00 
Granted299 4.09 
Vested and released(86)22.03 
Forfeited(8)5.85 
Outstanding at September 30, 2025464 7.41 
Schedule of Stock-Based Compensation Expense
The following table presents, by operating expense, the Company’s stock-based compensation expense:
Three Months Ended
September 30,		Nine Months Ended
September 30,
2025202420252024
(In thousands)
Research and development$1,079 $1,086 $3,376 $3,294 
General and administrative1,270 1,878 4,174 7,781 
Total stock-based compensation expense$2,349 $2,964 $7,550 $11,075