Note 2 - Business Acquisitions (Tables)

12 Months Ended

Dec. 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
Consideration		Settlement of		Adjustments		Impact of		Fair Value of
Recognized at		Contingent		Charged to		Currency		Consideration at
Acquisition Date		Consideration		Expense		Exchange		December 30, 2017
$	823	$	-	$	1,423	$	7	$	2,253

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		2,397
Intangible assets subject to amortization		2,100
Goodwill		2,654
Total assets acquired		30,393
Liabilities assumed		(14,570	)
Net assets acquired	$	15,823

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

	Estimated		Useful Life
	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
Total intangible assets	$	2,100