Accrued expenses and other current liabilities

6 Months Ended

Jun. 30, 2019

Accrued expenses and other current liabilities

Accrued expenses and other current liabilities

5. Accrued expenses and other current liabilities

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

	June 30,		December 31,
	2019		2018
Accrued employee compensation and benefits	$	1,161	$	1,610
Accrued external research and development expenses		2,843		3,814
Income taxes payable		269		15
Accrued professional fees		753		1,494
Current portion of operating lease liabilities		594		—
Other		239		99
	$	5,859	$	7,032