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STOCK-BASED COMPENSATION AWARDS (Tables)
6 Months Ended
Jun. 30, 2023
STOCK-BASED COMPENSATION AWARDS  
Schedule of stock-based compensation expense

Total stock-based compensation expense related to all equity plans, including Founder Stock Options was allocated as follows (in thousands):

Three months ended June 30, 

Six months ended June 30, 

    

2023

    

2022

    

2023

    

2022

Research and development

$

2,274

 

$

1,193

 

$

4,389

 

$

2,409

General and administrative

 

1,737

 

844

 

3,459

 

1,606

Total stock-based compensation expense

$

4,011

$

2,037

$

7,848

$

4,015