Note 2 - Business Acquisitions, Goodwill and Other Purchased Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

Notes Tables

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

Cash paid to Kita shareholders	$	15,000
Fair value of contingent consideration		823
Total purchase price	$	15,823

Schedule of Business Acquisitions by Acquisition, Contingent Consideration [Table Text Block]

	Fair Value of					Mark to Market				Fair Value of
	Consideration		Settlement of		Adjustment		Impact of		Consideration at
	Recognized at		Contingent		Charged to		Currency		September 30,
	Acquisition Date		Consideration		Expense		Exchange		2017
Kita	$	823	$	-	$	668	$	9	$	1,500

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

Current assets, including cash received	$	10,491
Property, plant and equipment		12,751
Other assets		2,291
Intangible assets subject to amortization		2,100
Goodwill		3,142
Total assets acquired		30,775
Liabilities assumed		(14,952	)
Net assets acquired	$	15,823

Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]

			Average
	Estimated		Useful Life
Description	Fair Value		(in years)
Developed technology	$	700		8
Customer relationships		600		4
Covenant not-to-compete		300		10
Product backlog		100		1
Trade names		400		5
	$	2,100

Schedule of Goodwill [Table Text Block]

	Goodwill
Balance, December 26, 2015	$	60,264
Impact of currency exchange		(1,415	)
Balance, December 31, 2016		58,849
Additions, net		3,142
Impact of currency exchange		3,492
Balance, September 30, 2017	$	65,483

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	September 30, 2017						December 31, 2016
					Remaining
					Weighted
	Gross				Average		Gross
	Carrying		Accum.		Amort.		Carrying		Accum.
	Amount		Amort.		Period (in years)		Amount		Amort.
Developed technology	$	20,785	$	11,977		3.6	$	19,195	$	9,597
Customer relationships		7,935		4,582		3.3		6,996		3,644
Trade names		6,139		849		12.4		5,353		468
Covenant not-to-compete		312		23		9.3		-		-
Backlog		104		78		0.3		-		-
Total intangible assets	$	35,275	$	17,509			$	31,544	$	13,709