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Accrued Liabilities
3 Months Ended
Mar. 31, 2023
Accrued Liabilities and Other Liabilities [Abstract]  
Accrued Liabilities Accrued Liabilities
Accrued liabilities consisted of the following (in thousands):
As of March 31,
2023
As of December 31,
2022
Accrued compensation and benefits$3,447 $7,200 
Other accrued liabilities1,286 1,458 
Total accrued liabilities$4,733 $8,658 
Accrued compensation and benefits consist primarily of accrued bonuses and accrued vacation.