Accounts payable and other liabilities

12 Months Ended

Dec. 31, 2019

Payables and Accruals [Abstract]

Accounts payable and other liabilities

6. Accounts payable and other liabilities

(in thousands)	DECEMBER 31, 2019		DECEMBER 31, 2018
Trade accounts payable	$	1,604	$	702
Accrued clinical/preclinical expenses		944		3,655
Accrued compensation and vacation		1,238		21
Other accrued liabilities		339		240
	$	4,125	$	4,618