Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2021

Payables And Accruals [Abstract]

Schedule of Accrued Liabilities

Accrued liabilities as of December 31, 2021 and 2020 consisted of the following (in thousands):

	December 31,
	2021		2020
Professional fees	$	3,687	$	3,219
Clinical and contract research organization costs		1,646		1,781
Travel and entertainment		184		91
Tax liabilities		391		1,767
Purchases of property and equipment		615		4,423
Other		2,820		1,881
Total accrued liabilities	$	9,343	$	13,162