Accrued Liabilities

9 Months Ended

Sep. 30, 2018

Payables And Accruals [Abstract]

Accrued Liabilities

5. Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

	September 30, 2018		December 31, 2017
Accrued bonus and payroll expenses	$	3,190	$	3,016
Accrued professional and consulting services		282		367
Accrued clinical and manufacturing expenses		5,960		4,845
Accrued preclinical and research expenses		458		469
Other		198		241
Total accrued liabilities	$	10,088	$	8,938