Note 16 - Restructuring Activities (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Restructuring and Related Costs [Table Text Block]

	2020			2019
Total revenues	$	25		$	329
Net loss		(281	)		(1,767	)

	2020		2019
Total assets	$	2,463	$	4,249
Total liabilities		396		399
Total net assets		2,067		3,850

Schedule of Restructuring Reserve by Type of Cost [Table Text Block]

	Twelve Months Ended
	2020		2019
Restructuring liability at January 1,	$	—	$	65
Amounts expensed		—		625
Amounts expensed - discontinued operations		—		—
Amounts paid		—		(690	)
Restructuring liability at December 31,	$	—	$	—