Note 4 - Restructuring Activities (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

Restructuring and Related Costs [Table Text Block]

	Three Months Ended
	March 31,
	2023			2022
Total revenues	$	—		$	1
Net loss		(20	)		(13	)

	As of
	March 31, 2023		December 31, 2022
Total assets	$	913	$	929
Total liabilities		80		79
Total net assets	$	833	$	850