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Accrued Liabilities and Other Current Liabilities
9 Months Ended
Sep. 30, 2022
Accrued Liabilities and Other Liabilities [Abstract]  
Accrued Liabilities and Other Current Liabilities Accrued Liabilities and Other Current Liabilities
Accrued Liabilities
Accrued liabilities consisted of the following (in thousands):
As of September 30,
2022
As of December 31,
2021
Accrued compensation and benefits$4,712 $5,216 
Accrued research and development expenses14,689 5,868 
Other accrued liabilities905 907 
Total accrued liabilities$20,306 $11,991 
Accrued compensation and benefits consist primarily of accrued bonuses and accrued vacation.