Note 7 - Segment and Geographic Information (Tables)

12 Months Ended

Dec. 30, 2017

Notes Tables

Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]

	2017			2016			2015
Intel		11.2	%		17.2	%		18.0	%
NXP Semiconductors N.V. (1)		15.9	%		13.7	%		11.4	%

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

(in thousands)	2017		2016		2015
China	$	82,474	$	60,291	$	52,589
Malaysia		80,102		85,956		60,776
United States		38,729		35,204		50,704
Rest of the World		151,399		100,633		105,585
Total, net	$	352,704	$	282,084	$	269,654

Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]

(in thousands)	2017		2016
Property, plant and equipment:
Japan	$	12,137	$	-
Germany		7,485		6,674
Philippines		5,808		4,167
Malaysia		4,622		4,067
United States		3,064		2,398
Rest of the World		1,056		928
Total, net	$	34,172	$	18,234
Goodwill and other intangible assets:
Germany	$	30,546	$	26,892
United States		17,242		17,242
Switzerland		15,450		18,264
Malaysia		7,078		6,775
Singapore		6,558		6,558
Japan		4,491		-
Rest of the World		996		953
Total, net	$	82,361	$	76,684