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Net Income per Share (Details)	3 Months Ended		9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
Reconciliation of basic to diluted weighted average shares of common stock outstanding
Basic weighted average shares outstanding	9,729,000	10,093,000	9,892,000	10,088,000
Common stock equivalents:
Stock options and restricted shares (in shares)	190,000	99,000	126,000	92,000
Diluted weighted average shares outstanding	9,919,000	10,192,000	10,018,000	10,180,000
Calculation of common stock equivalents for purposes of computing diluted weighted average shares outstanding
Anti-dilutive securities excluded from EPS computation (in shares)	319,564	1,048,432	831,975	1,085,432

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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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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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.

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