Accounts Payable and Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2020

Payables and Accruals [Abstract]

Schedule of accounts payable and accrued liabilities

Accounts payable and accrued liabilities are comprised of the following:

	March 31, 2020		December 31, 2019
	(in thousands)
Trade accounts payable	$	519	$	2,398
Research and development accruals	1,796		1,433
Professional fee accruals	360		809
Payroll accruals	867		2,314
Site consolidation accrual	19		137
Other accrued liabilities	4		144
	$	3,565	$	7,235