Accrued Expenses (Tables)

6 Months Ended

Jun. 30, 2021

Accrued expenses consist of the following:

	June 30, 2021		December 31, 2020
Accrued payroll and bonus expenses	$	523	$	966
Accrued other expenses		397		614
Accrued clinical trial costs		53		144
Accrued manufacturing expenses		300		105
Total	$	1,273	$	1,829