Accrued Expenses and Other Current Liabilities

6 Months Ended

Jun. 30, 2019

Payables And Accruals [Abstract]

Accrued Expenses and Other Current Liabilities

6. Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following:

	June 30, 2019		December 31, 2018
Compensation and benefit costs	$	2,118	$	2,616
Research and development costs		3,253		3,969
Consulting and professional fees		401		320
Other liabilities		421		917
	$	6,193	$	7,822