Accrued expenses (Tables)

12 Months Ended

Dec. 31, 2020

Accrued Liabilities, Current [Abstract]

Schedule of accrued expenses

Accrued expenses consist of the following as of December 31, 2020 and 2019:

	December 31, 2020		December 31, 2019
Accrued preclinical, manufacturing and clinical expenses	$	9,902	$	4,230
Accrued payroll and related expenses	5,412		4,037
Accrued professional fees	757		675
Accrued other	75		44
	$	16,146	$	8,986