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Significant Accounting Policies: (Tables) | 12 Months Ended
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Dec. 30, 2023
Significant Accounting Policies: |
Schedule of shares outstanding used in the calculation of basic and diluted earnings per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended |
​ |  | December 30, 2023 |  | December 31, 2022 |  | December 25, 2021 |
Denominator for basic EPS — weighted average common shares |  | 3,479,936 |  | 3,487,732 |  | 3,671,980 | ​
Dilutive shares associated with option plans |  | 160,588 |  | 104,724 |  | 138,500 | ​
Denominator for diluted EPS — weighted average common shares and dilutive potential common shares |  | 3,640,524 |  | 3,592,456 |  | 3,810,480 | ​
Options excluded from EPS calculation — anti-dilutive |  | 2,913 |  | 21,153 |  | 20,294 | ​

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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://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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