ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES

9 Months Ended

Sep. 30, 2020

Payables and Accruals [Abstract]

ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES

ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES

Accrued expenses and other current liabilities consisted of the following (in thousands):

​	September 30, 2020		December 31, 2019
Accrued employee compensation and benefits	$	2,525	$	3,109
Accrued external research and development expenses	772		1,799
Accrued professional fees	797		985
Other	58		465
Total accrued expenses and other current liabilities	$	4,152	$	6,358