Net Income (Loss) Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012
Earnings Per Share [Abstract]
Net loss from continuing operations	$ (2,762)	$ (6,340)	$ (11,457)	$ (10,022)
Income (loss) from discontinued operations	$ 0	$ (2)	$ 0	$ 42
Basic and diluted weighted average common shares outstanding	23,020,529	22,747,041	22,929,505	22,524,537
Basic and diluted net income (loss) per share from continuing operations	$ (0.12)	$ (0.28)	$ (0.50)	$ (0.44)
Basic and diluted net income (loss) per share from discontinued operations	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Common shares excluded from diluted net loss per share computation	10,066,823	10,351,797	10,066,823	10,351,797

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.

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

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-Name Accounting Standards Codification

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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.

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Per basic and diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation, when the per share amount is the same.

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