Accrued Expenses

9 Months Ended

Sep. 30, 2021

8. Accrued Expenses

Accrued expenses consist of the following:

	September 30, 2021		December 31, 2020
Accrued payroll and bonus expenses	$	769	$	966
Accrued other expenses		416		614
Accrued clinical trial costs		33		144
Accrued manufacturing expenses		472		105
Total	$	1,690	$	1,829