Note 18 - Segment and Geographic Information (Tables)

9 Months Ended

Dec. 28, 2014

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Three Months Ended				Nine Months Ended
	December 28, 2014		December 29, 2013		December 28, 2014		December 29, 2013
Industrial & Embedded Systems	$	20,506	$	18,429	$	59,029	$	52,870
High-End Consumer		16,202		68		35,825		419
Infrastructure		7,607		12,193		23,339		44,046
Total net sales	$	44,315	$	30,690	$	118,193	$	97,335

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

	Three Months Ended				Nine Months Ended
	December 28, 2014		December 29, 2013		December 28, 2014		December 29, 2013
China	$	17,089	$	11,566	$	44,586	$	33,860
United States		6,070		9,285		17,309		31,325
Taiwan		5,496		413		12,732		2,206
Korea		4,666		1,038		11,920		2,564
Singapore		4,076		3,138		11,271		10,068
Germany		2,008		2,456		8,020		8,124
Rest of world		4,910		2,794		12,355		9,188
Total net sales	$	44,315	$	30,690	$	118,193	$	97,335

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

	Three Months Ended				Nine Months Ended
	December 28, 2014		December 29, 2013		December 28, 2014		December 29, 2013
Distributor A		19%		26%		22%		26%
Distributor B		*		21%		*		23%
Distributor C		*		13%		*		11%

Schedule Of Major Distributors [Table Text Block]

	December 28, 2014		March 30, 2014
Distributor A		*		16%
Distributor B		12%		17%
Distributor C		11%		12%
Distributor D		*		14%
Distributor F		13%		*