Note 17 - Segment and Geographic Information (Details) - Net Sales by End Market (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Dec. 29, 2013	Dec. 30, 2012
Segment Reporting Information [Line Items]
Net sales	$ 30,690	$ 30,999	$ 97,335	$ 90,872
Industrial And Embedded Systems [Member]
Segment Reporting Information [Line Items]
Net sales	18,429	16,119	52,870	48,130
Networking And Storage [Member]
Segment Reporting Information [Line Items]
Net sales	7,104	9,300	27,284	23,391
Communications Infrastructure [Member]
Segment Reporting Information [Line Items]
Net sales	5,089	5,270	16,762	18,735
Other Markets [Member]
Segment Reporting Information [Line Items]
Net sales	$ 68	$ 310	$ 419	$ 616