Property and Equipment

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

Property and Equipment

6. Property and Equipment

Property and equipment consisted of the following as of December 31, 2022 and 2021:

	December 31,
	2022			2021
Furniture and fixtures	$	69		$	62
Lab and office equipment		2,243			1,944
Computer equipment		233			217
Internal-use software		139			139
Leasehold improvements		175			175
Property and equipment		2,859			2,537
Less accumulated depreciation and amortization		(2,379	)		(2,220	)
Net property and equipment	$	480		$	317

Depreciation and amortization expense from continuing operations was approximately $0.2 million and $0.3 million for the years ended December 31, 2022 and 2021, respectively. There was zero internal-use software amortization expense included in depreciation and amortization expense in 2022.