Net Income (Loss) Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012
Earnings Per Share [Abstract]
Net loss from continuing operations	$ (3,496)	$ (779)	$ (8,695)	$ (3,682)
Loss from discontinued operations	$ 0	$ 668	$ 0	$ 44
Basic and diluted weighted average common shares outstanding	22,899,092	22,742,257	22,883,993	22,413,285
Basic and diluted net loss per share from continuing operations	$ (0.15)	$ (0.03)	$ (0.38)	$ (0.16)
Basic and diluted net loss per share from discontinued operations	$ 0.00	$ 0.03	$ 0.00	$ 0.00
Common shares excluded from diluted net loss per share computation	10,188,058	9,849,490	10,188,058	9,849,490

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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-Publisher FASB

-Name Accounting Standards Codification

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-Name Emerging Issues Task Force (EITF)

-Number 07-4

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Reference 8: http://www.xbrl.org/2003/role/presentationRef

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+ Details

- Definition

Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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+ Details

- Definition

Amount of income (loss) from a disposal group, net of income tax, reported as a separate component of income before extraordinary items after deduction or consideration of the amount allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

+ References+ Details