Accounts Payable and Accrued Expenses

9 Months Ended

Sep. 30, 2018

Payables And Accruals [Abstract]

Accounts Payable and Accrued Expenses

8. Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses consist of the following:

	September 30, 2018		December 31, 2017
Accounts payable	$	2,638	$	3,829
Accrued research projects		8,978		2,356
Accrued professional fees		253		384
Accrued compensation and benefits		2,011		1,864
Accrued other		123		73
Total	$	14,003	$	8,506