Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION

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STOCK-BASED COMPENSATION
 3 Months Ended
Mar. 31, 2024
Share-Based Payment Arrangement [Abstract]  
STOCK-BASED COMPENSATION
NOTE 19—STOCK-BASED COMPENSATION
The following table summarizes stock-based compensation expense for the periods shown:
Three Months Ended March 31,
2024 2023
Selling and marketing $ 273  $ 184 
General and administrative 2,555  2,458 
Research and development 1,966  2,211 
Stock-based compensation expense $ 4,794  $ 4,853 
Capitalized stock-based compensation $ 397  $ 556 
As of March 31, 2024, there was approximately $0.2 million, $37.4 million, and $0.7 million in unrecognized stock-based compensation expense related to stock options, restricted stock units, and performance stock units that are expected to be recognized over a weighted-average expected vesting period of 0.5 years, 2.5 years, and 0.9 years, respectively. The Company granted 4.2 million restricted stock units during the three months ended March 31, 2024. The Company granted 0.3 million performance stock units during the three months ended March 31, 2024.