Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2020

Accrued expenses consist of the following:

	December 31, 2020		December 31, 2019
Accrued payroll and bonus expenses	$	966	$	1,207
Accrued other expenses		614		1,249
Accrued clinical trial costs		144		9,866
Accrued manufacturing expenses		105		136
Total	$	1,829	$	12,458