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Note 1 - Organization, Basis of Presentation and Summary of Significant Accounting Policies (Tables) | 3 Months Ended
--- | ---
Aug. 26, 2012
| At August 26, 2012 |  | At May 27, 2012
Revenue growth rates | 3% | to | 10% |  | 3% | to | 24%
Expense growth rates | 3% | to | 8% |  | 3% | to | 18%
Income tax rates | 8% | to | 25% |  |  | 25% |
Discount rates | 16% | to | 27% |  | 16% | to | 27%
Schedule of Discounted Cash Flow [Table Text Block] |
| Impact on value of Windset investment as of August 26, 2012
10% increase in revenue growth rates | $1,000
10% increase in expense growth rates | ($600)
10% increase in income tax rates | ($100)
10% increase in discount rates | ($250)
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] |
|  | Fair Value at August 26, 2012 (Restated) |  |  | Fair Value at May 27, 2012 |  |  |  |
Assets: |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Marketable securities |  | $ | 756 |  |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |
Investment in private company |  |  | - |  |  |  | - |  |  |  | 25,796 |  |  |  | - |  |  |  | - |  |  |  | 21,500 |
Total |  | $ | 756 |  |  | $ | - |  |  | $ | 25,796 |  |  | $ | - |  |  | $ | - |  |  | $ | 21,500 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration |  | $ | - |  |  | $ | - |  |  | $ | 3,956 |  |  | $ | - |  |  | $ | - |  |  | $ | 3,926 |
Interest rate swap |  |  | - |  |  |  | 305 |  |  |  | - |  |  |  | - |  |  |  | 347 |  |  |  | - |
Total |  | $ | - |  |  | $ | 305 |  |  | $ | 3,956 |  |  | $ | - |  |  | $ | 347 |  |  | $ | 3,926 |

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- Definition Schedule Of Effect Of Significant Unobservable Inputs For Investment [Table Text Block] + References No definition available. + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19190-110258 + Details
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