Accrued Expenses

9 Months Ended

Sep. 30, 2019

Payables And Accruals [Abstract]

Accrued Expenses

7. Accrued Expenses

Accrued expenses consisted of the following:

	September 30, 2019		December 31, 2018
Accrued compensation	$	3,694	$	4,397
Accrued research and development expenses		8,467		3,414
Accrued professional expenses		1,270		1,049
Other accrued expenses		279		503
Total	$	13,710	$	9,363

Accrued research and development expenses are comprised of amounts owed to third-party contract research organizations, clinical investigators, laboratories and data managers for research and development work performed on behalf of the Company.