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

9 Months Ended

Sep. 29, 2018

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 Contingent Consideration
Balance, December 31, 2016	$	-
Fair value of consideration at acquisition date		823
Mark-to-market adjustments charged to expense		1,423
Impact of currency exchange		7
Balance, December 30, 2017		2,253
Mark-to-market adjustments charged to expense		657
Settlement of contingent consideration		(1,500	)
Impact of currency exchange		60
Balance, September 29, 2018	$	1,470

Schedule of Goodwill [Table Text Block]

	Goodwill
Balance, December 31, 2016	$	58,849
Additions, net		2,654
Impact of currency exchange		4,110
Balance, December 30, 2017		65,613
Impact of currency exchange		(1,034	)
Balance, September 29, 2018	$	64,579

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

	September 29, 2018						December 30, 2017
					Remaining Weighted
					Average
	Gross				Amort		Gross
	Carrying		Accum.		Period		Carrying		Accum.
	Amount		Amort.		(in years)		Amount		Amort.
Developed technology	$	20,632	$	14,468		2.7	$	20,780	$	12,623
Customer relationships		7,877		5,572		2.3		7,934		4,838
Trade names		6,088		1,301		11.5		6,185		972
Covenant not-to-compete		310		54		8.3		313		31
Total intangible assets	$	34,907	$	21,395			$	35,212	$	18,464