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STOCK-BASED COMPENSATION
 9 Months Ended
Sep. 30, 2022
Share-Based Payment Arrangement [Abstract]  
STOCK-BASED COMPENSATION STOCK-BASED COMPENSATIONThe following table shows total stock-based compensation expense included in the Condensed Consolidated Statements of Operations (in thousands):
Three Months Ended
September 30,		Nine Months Ended
September 30,
2022202120222021
Research and development$4,395 $4,935 $13,656 $14,645 
General and administrative3,398 2,938 9,746 10,235 
Total stock-based compensation expense$7,793 $7,873 $23,402 $24,880