Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2021

Accrued expenses consist of the following:

	March 31, 2021		December 31, 2020
Accrued clinical trial costs	$	93	$	144
Accrued payroll and bonus expenses		717		966
Accrued manufacturing expenses		73		105
Accrued other expenses		1,194		614
Total	$	2,077	$	1,829