Accounts Payable and Accrued Expenses

6 Months Ended

Jun. 30, 2019

Payables And Accruals [Abstract]

Accounts Payable and Accrued Expenses

8. Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses consist of the following:

	June 30, 2019		December 31, 2018
Accounts payable	$	2,485	$	4,371
Accrued research projects		7,795		6,079
Accrued professional fees		527		802
Accrued compensation and benefits		1,959		2,370
Total	$	12,766	$	13,622