Note 15 - Lease Financing Obligation (Details) - Interest Expense (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 30, 2014	Mar. 31, 2013	Apr. 01, 2012
Note 15 - Lease Financing Obligation (Details) - Interest Expense [Line Items]
Interest expense – design tools	$ 156	$ 165	$ 215
Design Tools [Member]
Note 15 - Lease Financing Obligation (Details) - Interest Expense [Line Items]
Interest expense – design tools	$ 155	$ 143	$ 210