Accrued expenses (Tables)

3 Months Ended

Mar. 31, 2020

Accrued expenses

Schedule of accrued expenses

	March 31,		December 31,
	2020		2019
Accrued payroll and related expenses	$	1,549	$	4,037
Accrued preclinical, manufacturing and clinical expenses		3,367		4,230
Accrued professional fees		716		675
Accrued other		46		44
	$	5,678	$	8,986