Accrued liabilities (Tables)

12 Months Ended

Dec. 31, 2021

Payables and Accruals [Abstract]

Summary of Accrued Liabilities

Accrued liabilities consisted of the following as of December 31:

(in thousands)	2021		2020
Accrued compensation	$	6,329	$	7,274
Accrued payables		17,554		8,554
Liability for early exercised stock options		276		569
Other		1,235		167
Total	$	25,394	$	16,564