Note 4 - Restructuring Activities (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Restructuring and Related Costs [Table Text Block]

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2022			2021			2022			2021
Total revenues	$	—		$	4		$	1		$	15
Net loss		(38	)		(63	)		(51	)		(38	)

	As of
	June 30, 2022		December 31, 2021
Total assets	$	1,121	$	1,235
Total liabilities		85		92
Total net assets	$	1,036	$	1,143