Note 7 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

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

(in thousands)	2016			2015		2014
Current:
U.S. Federal	$	11		$	5	$	(307	)
U.S. State		8			28		40
Foreign		3,793			1,956		4,088
Total current		3,812			1,989		3,821
Deferred:
U.S. Federal		91			89		112
U.S. State		47			49		(17	)
Foreign		(1,203	)		84		737
Total deferred		(1,065	)		222		832
	$	2,747		$	2,211	$	4,653

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

(in thousands)	2016			2015			2014
U.S.	$	(13,420	)	$	(5,214	)	$	1,076
Foreign		19,427			13,217			18,357
Total	$	6,007		$	8,003		$	19,433

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

(in thousands)	2016			2015
Deferred tax assets:
Inventory, receivable and warranty reserves	$	5,868		$	8,207
Net operating loss carryforwards		11,681			7,605
Tax credit carryforwards		13,715			12,291
Accrued employee benefits		5,002			4,993
Deferred profit and gain on facility sale		5,412			6,084
Stock-based compensation		4,189			4,443
Acquisition basis differences		1,334			1,544
Other		103			265
Gross deferred tax assets		47,304			45,432
Less valuation allowance		(44,731	)		(42,289	)
Total deferred tax assets		2,573			3,143
Deferred tax liabilities:
Depreciation and fixed asset related		53			227
Acquisition basis differences		7,423			8,904
Other		662			563
Total deferred tax liabilities		8,138			9,694
Net deferred tax liabilities	$	(5,565	)	$	(6,551	)

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

(in thousands)	2016			2015			2014
Tax provision at U.S. 35% statutory rate	$	2,102		$	2,801		$	6,802
State income taxes, net of federal tax benefit		168			(152	)		119
Settlements, adjustments and releases from statute expirations		(312	)		(104	)		(65	)
Federal tax credits		(183	)		(221	)		(244	)
Stock-based compensation on which no tax benefit provided		168			156			160
Change in valuation allowance		2,430			2,181			437
Non-deductible transaction costs		463			-			-
Foreign income taxed at different rates		(2,378	)		(2,601	)		(2,151	)
Other, net		289			151			(405	)
	$	2,747		$	2,211		$	4,653

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

(in thousands)	2016			2015			2014
Balance at beginning of year	$	10,444		$	10,841		$	10,483
Gross additions for tax positions of current year		125			215			761
Gross additions for tax positions of prior years		58			248			365
Reductions due to lapse of the statute of limitations		(446	)		(243	)		(587	)
Foreign exchange rate impact		(106	)		(617	)		(181	)
Balance at end of year	$	10,075		$	10,444		$	10,841