Note 10 - Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 30, 2014	Mar. 31, 2013	Mar. 25, 2012
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	34.00%
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 283	$ 296	$ 422
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	329	337
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	43	46	47
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$ (64)