Accounts Payable and Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2014

Payables And Accruals [Abstract]

Summary of Accounts Payable and Accrued Liabilities

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

	December 31,
	2014		2013
Accounts payable	$	5,525	$	3,022
Accrued research and development expenses		2,435		727
Accrued professional fees		531		510
Deferred rent		129		121
Other		84		—
Total accounts payable and accrued liabilities	$	8,704	$	4,380