Note 10 - Restructuring (Details) - Restructuring and related costs (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended		27 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Mar. 30, 2013	Mar. 31, 2012	Jun. 29, 2013
Restructuring Cost and Reserve [Line Items]
Total estimated restructuring cost					$ 741
Recognized during the fiscal year	195	92	418	31
Expected to be recognized between June 30, 2013 and December 28, 2013	97
Employee Retention Agreements [Member]
Restructuring Cost and Reserve [Line Items]
Total estimated restructuring cost					571
Recognized during the fiscal year	133		367	31
Expected to be recognized between June 30, 2013 and December 28, 2013	40
Preparation of San Ramon Facility [Member]
Restructuring Cost and Reserve [Line Items]
Total estimated restructuring cost					71
Recognized during the fiscal year	11		40
Expected to be recognized between June 30, 2013 and December 28, 2013	20
Training of San Ramon Employees [Member]
Restructuring Cost and Reserve [Line Items]
Total estimated restructuring cost					4
Recognized during the fiscal year			4
Moving Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Total estimated restructuring cost					22
Recognized during the fiscal year	15		7
Clean Up of Santa Rosa Facility [Member]
Restructuring Cost and Reserve [Line Items]
Total estimated restructuring cost					73
Recognized during the fiscal year	36
Expected to be recognized between June 30, 2013 and December 28, 2013	$ 37