Accrued Expenses

6 Months Ended

Jun. 30, 2018

7. Accrued Expenses

Accrued expenses consist of the following:

	June 30, 2018		December 31, 2017
Accrued clinical trial costs	$	2,025	$	594
Accrued manufacturing expenses		851		2,031
Accrued payroll and bonus expenses		920		1,059
Accrued other expenses		325		290
Total	$	4,121	$	3,974