Accrued Liabilities (Tables)

9 Months Ended

Sep. 30, 2018

Payables And Accruals [Abstract]

Accrued Liabilities

Accrued liabilities at September 30, 2018 and December 31, 2017, consisted of the following (in thousands):

	September 30, 2018		December 31, 2017
Accrued compensation and related costs	$	8,509	$	7,372
Accrued professional services		3,806		1,811
Accrued development costs		1,293		794
Other accrued expenses		3,156		1,735
Total accrued liabilities	$	16,764	$	11,712