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Note 5 - Diluted Net Income Per Share (Tables) | 6 Months Ended
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Nov. 26, 2017
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended |  |  | Six Months Ended |
|  | November 26, 2017 |  |  | November 27 , 2016 |  |  | November 26, 2017 |  |  | November 27 , 2016 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income applicable to Common Stockholders |  | $ | 487 |  |  | $ | 1,326 |  |  | $ | 2,633 |  |  | $ | 4,638 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average share s for basic net income per share |  |  | 27,518 |  |  |  | 27,249 |  |  |  | 27,512 |  |  |  | 27,234 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options and restricted stock units |  |  | 357 |  |  |  | 369 |  |  |  | 354 |  |  |  | 338 |
Weighted average shares for diluted net income per share |  |  | 27,875 |  |  |  | 27,618 |  |  |  | 27,866 |  |  |  | 27,572 |
Diluted net income per share |  | $ | 0.02 |  |  | $ | 0.05 |  |  | $ | 0.09 |  |  | $ | 0.17 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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