Note 13 - Lease Financing Obligations (Details) - Summary of Interest Expense (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Dec. 29, 2013	Dec. 30, 2012
Note 13 - Lease Financing Obligations (Details) - Summary of Interest Expense [Line Items]
Interest expense	$ 39	$ 56	$ 117	$ 128
Design Tools [Member]
Note 13 - Lease Financing Obligations (Details) - Summary of Interest Expense [Line Items]
Interest expense	$ 39	$ 35	$ 115	$ 107