Accrued Liabilities

3 Months Ended

Mar. 31, 2019

Payables And Accruals [Abstract]

Accrued Liabilities

Note 4. Accrued Liabilities

Accrued liabilities at March 31, 2019 and December 31, 2018, consisted of the following (in thousands):

	March 31, 2019		December 31, 2018
Accrued professional services	$	8,323	$	4,544
Accrued compensation and related costs		6,490		10,765
Accrued development costs		1,908		1,965
Other accrued expenses		1,676		2,526
Total accrued liabilities	$	18,397	$	19,800