Property and Equipment

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and Equipment

Property and equipment as of December 31, 2020 and 2019 were as follows:

	Useful Life (Years)	December 31, 2020		December 31, 2019
Manufacturing and clinical equipment	7 - 10	$	47	$	47
Computer, software and other office equipment	5	933		933
		980		980
Accumulated depreciation		(954)		(807)
Property and equipment, net		$	26	$	173

For the years ended December 31, 2020, 2019 and 2018, depreciation expense was $0.1 million, $0.2 million and $0.2 million, respectively.