Note 9 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

	Year Ended December 31,
	2021			2020
Liability for uncertain tax positions - January 1	$	28,516		$	29,061
Additions based on tax positions related to the current year		2,054			764
Translation adjustment		331			887
Settlement/expiration of statutes of limitations		(2,467	)		(2,196	)
Liability for uncertain tax positions - December 31	$	28,434		$	28,516

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	Years Ended December 31,
	2021			2020
Current:
Federal	$	520		$	(1,555	)
State		126			168
Foreign		1,419			2,472
		2,065			1,085
Deferred:
Federal		863			(1,412	)
State		(54	)		(151	)
Foreign		(368	)		(181	)
		441			(1,744	)
	$	2,506		$	(659	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	Years Ended December 31,
	2021						2020
	$			%			$			%
Tax provision computed at the federal statutory rate	$	5,739			21	%	$	2,549			21	%
(Decrease) increase in taxes resulting from:
Different tax rates applicable to foreign operations		(1,641	)		(6	%)		311			3	%
Reversal of liability for uncertain tax positions - net		(413	)		(2	%)		(1,432	)		(12	%)
Impact of U.S. Tax Reform		-			0	%		(1,129	)		(9	%)
Research and experimentation and foreign tax credits		343			1	%		(245	)		(2	%)
State taxes, net of federal benefit		42			0	%		4			0	%
SERP/COLI and restricted stock income		(172	)		(1	%)		(234	)		(2	%)
Other, net		(1,392	)		(5	%)		(483	)		(4	%)
Tax provision (benefit) computed at the Company's effective tax rate	$	2,506			9	%	$	(659	)		(5	%)

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	December 31,
	2021		2020
	Tax Effect		Tax Effect
Deferred tax assets:
State tax credits	$	812	$	757
Unfunded pension liability		965		1,840
Reserves and accruals		4,124		3,181
Federal, state and foreign net operating loss and credit carryforwards		7,586		7,744
Depreciation		488		604
Amortization		130		142
Lease accounting		4,592		3,217
Other accruals		6,364		5,452
Total deferred tax assets		25,061		22,937
Deferred tax liabilities:
Depreciation		2,450		1,992
Amortization		6,483		6,541
Lease accounting		4,522		3,110
Other accruals		573		330
Total deferred tax liabilities		14,028		11,973
Valuation allowance		8,059		6,289
Net deferred tax assets	$	2,974	$	4,675