Stock-Based Compensation (Details Textual) (USD $)	6 Months Ended
Jul. 04, 2014	Jan. 03, 2014
Schedule of Employee Service Share-based Compensation [Line Items]
Common stock, shares outstanding	38,361,000	37,911,000
Estimated Forfeiture Rate	7.00%
Class of Warrant or Right, Outstanding	700,000
Warrants And Rights Exercisable		700,000
Restricted Stock [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Common stock, shares outstanding	229,500
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	1,998,046
Restricted Stock [Member] \| Maximum [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Restricted Stock [Member] \| Minimum [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	1 year
Restricted Stock Units (RSUs) [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Common stock, shares outstanding	299,000
2003 Stock Option Plan [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance	3,276,000
Lower Range of Exercise Prices	$ 0.95
Upper Range of Exercise Prices	$ 17.62
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	10 years

Estimated forfeiture rate during the period.

No definition available.

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- Definition

Represents the number warrants exercisable on that date.

+ References

No definition available.

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- Definition

Number of warrants or rights outstanding.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i))

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-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Article 4

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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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-Name Accounting Standards Codification

-Topic 505

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-Topic 210

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-Section 02

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

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- Definition

Number of options outstanding, including both vested and non-vested options.

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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