Note 15 - Restructuring Charges and (Reversals) (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

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

	Suspension			Severance			Impairment
	of Contract			Benefits			Charges			Other			Total
Cumulative cost incurred as of December 31, 2020	$	2,252		$	368		$	1,272		$	179		$	4,071
Reconciliation of liabilities:
Balance at January 1, 2019	$	—		$	—		$	—		$	—		$	—
Period charges		3,223			368			1,272			57			4,920
Settlements		—			—			(1,272	)		—			(1,272	)
Balance at December 31, 2019		3,223			368			—			57			3,648
Period charges		—			—			—			122			122
Period reversals		(971	)		—			—			—			(971	)
Settlements		(2,252	)		(368	)		—			(179	)		(2,799	)
Balance at December 31, 2020	$	—		$	—		$	—		$	—		$	—