Accounts payable, accrued liabilities and long-term liabilities

3 Months Ended

Mar. 31, 2019

Payables and Accruals [Abstract]

Accounts payable, accrued liabilities and long-term liabilities

Accounts payable, accrued liabilities and long-term liabilities

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

	March 31,		December 31,
	2019		2018
Accounts payable	$	10,067	$	8,531
Accrued clinical expense	10,506		10,154
Accrued development and other expense	1,454		1,243
Accrued compensation and benefits	2,438		5,847
	$	24,465	$	25,775

The long-term liabilities balance of $0.7 million as of March 31, 2019 consisted primarily of other liabilities. As of December 31, 2018 the long-term liabilities balance of $0.7 million consisted of $0.1 million in deferred revenue and $0.6 million in other liabilities.