Note 12 - Accumulated Other Comprehensive Loss (Tables)

9 Months Ended

Sep. 30, 2020

Notes Tables

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	September 30,			December 31,
	2020			2019
Foreign currency translation adjustment, net of taxes of ($728) at September 30, 2020 and ($742) at December 31, 2019	$	(18,012	)	$	(20,032	)
Unrealized holding gains on available-for-sale securities, net of taxes of $0 at September 30, 2020 and $0 at December 31, 2019		11			12
Unfunded SERP liability, net of taxes of ($580) at September 30, 2020 and ($639) at December 31, 2019		(3,847	)		(4,045	)
Accumulated other comprehensive loss	$	(21,848	)	$	(24,065	)

Schedule of Changes in Accumulated Other Comprehensive Income (Loss) by Component [Table Text Block]

				Unrealized Holding
	Foreign Currency			Gains on
	Translation			Available-for-			Unfunded
	Adjustment			Sale Securities			SERP Liability				Total
Balance at December 31, 2019	$	(20,032	)	$	12		$	(4,045	)		$	(24,065	)
Other comprehensive income (loss) before reclassifications		2,020			(1	)		95				2,114
Amount reclassified from accumulated other comprehensive income (loss)		-			-			103		(a)		103
Net current period other comprehensive income (loss)		2,020			(1	)		198				2,217
Balance at September 30, 2020	$	(18,012	)	$	11		$	(3,847	)		$	(21,848	)