Earnings Per Share (Details) - shares	3 Months Ended
Apr. 03, 2021	Mar. 28, 2020
Basic [Abstract]
Weighted average shares outstanding	6,248,339	6,237,921
Diluted [Abstract]
Weighted average shares outstanding	6,248,339	6,237,921
Dilutive stock appreciation rights	30,998	3,131
Denominator for diluted earnings per share (in shares)	6,279,337	6,241,052

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References

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Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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-Topic 260
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