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Accrued Liabilities
6 Months Ended
Jun. 30, 2023
Accrued Liabilities and Other Liabilities [Abstract]  
Accrued Liabilities Accrued Liabilities
Accrued liabilities consisted of the following (in thousands):
As of June 30,
2023
As of December 31,
2022
Accrued compensation and benefits$5,747 $7,200 
Other accrued liabilities1,015 1,458 
Total accrued liabilities$6,762 $8,658 
Accrued compensation and benefits consist primarily of accrued bonuses and accrued vacation.