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Note 11 - Stockholders' Equity, Stock Plans and Other Employee Benefit Plans (Details) - Compensation Cost Charged to Expense under All Stock-based Incentive Awards (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Mar. 30, 2014 | Mar. 31, 2013 | Mar. 25, 2012
Note 11 - Stockholders' Equity, Stock Plans and Other Employee Benefit Plans (Details) - Compensation Cost Charged to Expense under All Stock-based Incentive Awards [Line Items] |  |  |
Share-based Compensation Expense | $ 721 | $ 627 | $ 274
Employee Stock Option [Member] |  |  |
Note 11 - Stockholders' Equity, Stock Plans and Other Employee Benefit Plans (Details) - Compensation Cost Charged to Expense under All Stock-based Incentive Awards [Line Items] |  |  |
Share-based Compensation Expense | 224 | 224 | 274
Restricted Stock [Member] |  |  |
Note 11 - Stockholders' Equity, Stock Plans and Other Employee Benefit Plans (Details) - Compensation Cost Charged to Expense under All Stock-based Incentive Awards [Line Items] |  |  |
Share-based Compensation Expense | $ 497 | $ 403 | $ 0

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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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