Accrued Liabilities

6 Months Ended

Jun. 30, 2022

Accrued Liabilities, Current [Abstract]

Accrued Liabilities

5. Accrued Liabilities

Accrued liabilities consisted of the following:

	June 30,		December 31,
	2022		2021
	(in thousands)
Research and clinical expenses	$	18,377	$	18,861
Payroll and related expenses		7,109		9,576
Legal and professional expenses		2,259		1,468
Operating lease liabilities - short term		3,845		3,618
Other accrued expenses		142		713
Total	$	31,732	$	34,236