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Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2022
Share-based Payment Arrangement [Abstract]  
Summary of Stock Options Activity

Stock option activity under the Plan, is as follows:

 

 

 

Stock
Options

 

 

Weighted-Average
Exercise
Price

 

Outstanding as of December 31, 2021

 

 

1,898,084

 

 

$

7.46

 

Granted

 

 

176,961

 

 

 

11.23

 

Exercised

 

 

 

 

 

 

Canceled/Forfeited

 

 

 

 

 

 

Outstanding as of March 31, 2022

 

 

2,075,045

 

 

$

7.78

 

Vested and exercisable as of March 31, 2022

 

 

230,078

 

 

$

2.71

 

Vested and expected to vest as of March 31, 2022

 

 

2,075,045

 

 

$

7.78

 

Summary of Stock-based Compensation Expense

Stock based compensation expense recognized for stock option grants included in the accompanying condensed consolidated statements of operations and comprehensive loss is as follows (in thousands):

 

 

 

Three Months Ended
March 31,

 

 

 

2022

 

 

2021

 

Research and development

 

$

256

 

 

$

23

 

General and administrative

 

 

559

 

 

 

165

 

Total stock-based compensation expense

 

$

815

 

 

$

188