Accounts payable and accrued liabilities

6 Months Ended

Jun. 30, 2018

Payables and Accruals [Abstract]

Accounts payable and accrued liabilities

Accounts payable, accrued liabilities and long-term 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

The long-term liabilities balance of $0.7 million as of June 30, 2018 consisted of $0.2 million in deferred revenue and $0.5 million in other liabilities. The long-term liabilities balance of $0.3 million as of December 31, 2017 consisted of $0.3 million in other liabilities.