Accounts payable and other liabilities (Tables)

12 Months Ended

Dec. 31, 2020

Payables and Accruals [Abstract]

Schedule of Accounts Payable and Other Liabilities

Accrued liabilities consist of the following (in thousands):

	December 31,
	2020		2019
Trade accounts payable	$	1,323	$	1,604
Accrued clinical and preclinical expenses	1,687		944
Accrued compensation and vacation	3,244		1,238
Other accrued liabilities	927		339
	$	7,181	$	4,125