Note 4 - Property and Equipment, Net

12 Months Ended

Dec. 31, 2021

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

(4) Property and Equipment, Net

Property and equipment, net consisted of the following (in thousands):

	December 31,			December 31,
	2021			2020
Computer equipment and software	$	133		$	159
Laboratory and manufacturing equipment		460			550
Furniture and fixtures		26			59
Leasehold improvements		26			332
Construction in progress		74			70
Property and equipment, gross		719			1,170
Less accumulated depreciation		(537	)		(1,025	)
Property and equipment, net	$	182		$	145

Depreciation expense totaled approximately $60,000 and $68,000 for the years ended December 31, 2021 and 2020, respectively. All of the Company’s property and equipment is located in the United States.