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Note 8 - Earnings Per Common Share (Details) - Common Shares Outstanding for Basic and Diluted Earnings Per Share
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3 Months Ended | |||||
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Mar. 29, 2015
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Mar. 30, 2014
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| Common Shares Outstanding for Basic and Diluted Earnings Per Share [Abstract] | ||||||
| Basic weighted average shares outstanding | 16,417,276us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 16,417,270us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | ||||
| Dilutive stock options(a) | [1] | [1] | ||||
| Diluted weighted average shares outstanding | 16,417,276us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 16,417,270us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | ||||
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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