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Note 6 - Stock-Based Compensation (Tables) | 12 Months Ended
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Mar. 29, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] |
Date Granted |  | Measurement Period |  | Total Number of Units Granted |  |  | Grant Date Fair Value Per Unit |  |  | Target Level Achieved |  |  | Number of Shares Issued |  |  | Date Shares Issued
April 2009 |  | April 2009 - March 2012 |  | 70 |  |  | $ | 5.00 |  |  | 75% |  |  | 52 |  |  | May 2012
April 2010 |  | April 2010 - March 2013 |  | 37 |  |  | $ | 7.00 |  |  | 75% |  |  | 28 |  |  | May 2013
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] |
Date Granted |  | Measurement Period |  | Total Number of Units Granted |  |  | Grant Date Fair Value Per Unit |  |  | Estimated Probability of Achievement at March 29, 2014
April 2011 |  | April 2011 - March 2014 (1) |  | 37 |  |  | $ | 8.44 |  |  | 114% | of target level
April 2012 |  | April 2012 - March 2015 |  | 24 |  |  | $ | 13.11 |  |  | 100% | of target level
April 2013 |  | April 2013 - March 2016 |  | 102 |  |  | $ | 6.17 |  |  | 100% | of target level
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] |
|  | Number of Shares |  |  | Weighted Average Exercise Price Per Share |  |  | Weighted Average Remaining Contractual Term (in Years) |  |  | Aggregate Intrinsic Value |
Outstanding as of March 31, 2012 |  |  | 597 |  |  | $ | 5.94 |  |  |  |  |  |  |  |
Exercised |  |  | (21 | ) |  |  | 3.08 |  |  |  |  |  |  |  |
Forfeited |  |  | (22 | ) |  |  | 6.57 |  |  |  |  |  |  |  |
Outstanding as of March 30, 2013 |  |  | 554 |  |  |  | 6.02 |  |  |  |  |  |  |  |
Granted |  |  | 110 |  |  |  | 7.64 |  |  |  |  |  |  |  |
Exercised |  |  | (52 | ) |  |  | 3.04 |  |  |  |  |  |  |  |
Forfeited |  |  | (3 | ) |  |  | 4.93 |  |  |  |  |  |  |  |
Outstanding as of March 29, 2014 |  |  | 609 |  |  |  | 6.58 |  |  | 4 |  |  | $ | 1,645 |
Exercisable as of March 29, 2014 |  |  | 509 |  |  |  | 6.38 |  |  | 3 |  |  |  | 1,474 |

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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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