Accounts payable and accrued liabilities (Tables)

6 Months Ended

Jun. 30, 2018

Payables and Accruals [Abstract]

Schedule of accounts payable and accrued liabilities

Accounts payable and accrued liabilities consisted of the following (in thousands):

	June 30,		December 31,
	2018		2017
Accounts payable	$	4,266	$	4,344
Accrued clinical, development and other expenses	11,025		6,279
Accrued compensation and benefits	2,520		3,021
	$	17,811	$	13,644