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Significant Accounting Policies: (Tables) | 12 Months Ended
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Dec. 29, 2012
Significant Accounting Policies: |
Schedule of shares outstanding used in the calculation of basic and diluted earnings per share |
|  | Year Ended |
|  | December 29, 2012 |  | December 31, 2011 |
Denominator for basic EPS — weighted average common shares |  | 5,027,509 |  | 4,979,036 |
Dilutive shares associated with option plans |  | 210,162 |  | 259,376 |
Denominator for diluted EPS — weighted average common shares and dilutive potential common shares |  | 5,237,671 |  | 5,238,412 |
Options excluded from EPS calculation — anti-dilutive |  | 30,115 |  | 31,614 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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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