Note 4 - Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Property, Plant and Equipment [Table Text Block]

	2022			2021
Computer equipment and software	$	161		$	133
Laboratory and manufacturing equipment		575			460
Furniture and fixtures		27			26
Leasehold improvements		26			26
Construction in progress		—			74
Property and equipment, gross		789			719
Less accumulated depreciation		(619	)		(537	)
Property and equipment, net	$	170		$	182