Accrued expenses and other current liabilities (Tables)

12 Months Ended

Dec. 31, 2019

Accrued expenses and other current liabilities

Schedule of accrued expenses and other current liabilities

	December 31,
	2019		2018
Accrued employee compensation and benefits	$	1,606	$	304
Accrued external research and development expenses		6,361		430
Accrued legal and professional fees		370		106
Other		85		129
	$	8,422	$	969