Stockholders' Equity (Details 6) (USD $)	3 Months Ended	12 Months Ended
Mar. 30, 2013	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Restricted stock awards
Number of Shares, Restricted stock awards granted		234,012	66,665	100,315
Restricted stock units
Restricted stock awards
Number of Shares, Beginning Balance		55,999	90,189
Number of Shares, Restricted stock awards granted	220,000	230,509	55,999	90,189
Number of Shares, Restricted stock awards released		(17,249)	(15,189)
Number of Shares, Restricted stock awards forfeited			(75,000)
Number of Shares, Ending Balance		269,259	55,999	90,189
Outstanding, Weighted Average Grant Date Fair Value, Beginning Balance		$ 3.85	$ 3.49
Weighted Average Grant Date Fair Value, Restricted stock awards granted		$ 4.51	$ 3.85	$ 3.49
Weighted Average Grant Date Fair Value, Restricted stock awards released		$ 3.77	$ 3.95
Weighted Average Grant Date Fair Value, Restricted stock units forfeited			$ 3.40
Outstanding, Weighted Average Grant Date Fair Value, Ending Balance		$ 4.42	$ 3.85	$ 3.49
Restricted stock awards
Restricted stock awards
Number of Shares, Beginning Balance		10,666	10,126
Number of Shares, Restricted stock awards granted		3,503	10,666	10,126
Number of Shares, Restricted stock awards released		(10,666)	(10,126)
Number of Shares, Ending Balance		3,503	10,666	10,126
Outstanding, Weighted Average Grant Date Fair Value, Beginning Balance		$ 3.75	$ 3.95
Weighted Average Grant Date Fair Value, Restricted stock awards granted		$ 5.71	$ 3.75	$ 3.95
Weighted Average Grant Date Fair Value, Restricted stock awards released		$ 3.75	$ 3.95
Outstanding, Weighted Average Grant Date Fair Value, Ending Balance		$ 5.71	$ 3.75	$ 3.95

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iv)(3)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(3)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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-Subparagraph (c)(2)(iii)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(i)-(ii)

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(2)

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