Note 18 - Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

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

	December 31,
	2019			2018
Foreign currency translation adjustment	$	(20,032	)	$	(22,635	)
Unrealized holding gain on available-for-sale securities, net of taxes of $0 and $0 as of December 31, 2019 and 2018		12			12
Unfunded SERP liability, net of taxes of ($639) and ($680) as of December 31, 2019 and 2018		(4,045	)		(2,215	)
Accumulated other comprehensive loss	$	(24,065	)	$	(24,838	)

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 January 1, 2018	$	(16,537)	$	145	$	(3,233)		$	(19,625)
Other comprehensive income (loss) before reclassifications		(6,098)		37		679			(5,382)
Amounts reclassified from accumulated other comprehensive income (loss)		-		(170)		339	(a)		169
Net current period other comprehensive income (loss)		(6,098)		(133)		1,018			(5,213)
Balance at December 31, 2018		(22,635)		12		(2,215)			(24,838)
Other comprehensive income (loss) before reclassifications		2,603		-		(1,492)			1,111
Amounts reclassified from accumulated other comprehensive income (loss)		-		-		125	(a)		125
Effect of adoption of ASU 2018-02 (Topic 220)		-		-		(463)			(463)
Net current period other comprehensive income (loss)		2,603		-		(1,830)			773
Balance at December 31, 2019	$	(20,032)	$	12	$	(4,045)		$	(24,065)