Note 4 - Property and Equipment, Net

3 Months Ended

Mar. 31, 2022

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):

	March 31,			December 31,
	2022			2021
Computer equipment and software	$	140		$	133
Laboratory and manufacturing equipment		481			460
Furniture and fixtures		27			26
Leasehold improvements		26			26
Construction in progress		74			74
Property and equipment, gross		748			719
Less accumulated depreciation		(553	)		(537	)
Property and equipment, net	$	195		$	182

Depreciation expense totaled approximately $16,000 and $14,000 for the three months ended March 31, 2022 and 2021, respectively.