Accrued expenses (Tables)

9 Months Ended

Sep. 30, 2017

Accrued expenses

Schedule of accrued expenses

	September 30,		December 31,
	2017		2016
Accrued payroll and related expenses	$	2,155	$	2,276
Accrued preclinical, manufacturing  and clinical expenses		1,655		602
Accrued professional fees		457		402
Accrued other		340		148
	$	4,607	$	3,428