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Credit Agreement (Narrative) (Details) (USD $)	6 Months Ended		6 Months Ended	12 Months Ended
	Jun. 29, 2013	Dec. 29, 2012	Jun. 29, 2013 Silicon Valley Bank [Member]	Dec. 29, 2012 Term Loan 1 [Member] Silicon Valley Bank [Member]	Dec. 29, 2012 Term Loan 2 [Member] Silicon Valley Bank [Member]	Jun. 29, 2013 Letter of Credit [Member]	Jun. 29, 2013 Streamline Period Not In Effect [Member]	Jun. 29, 2013 Streamline Period In Effect [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity as a percentage of eligible accounts receivable	80.00%
Letters of credit outstanding, amount						$ 1,000,000
Sublimit to collateralize the Company's contingent obligations under letters of credit and other financial services		10,000,000
Debt instrument, face value			3,500,000	1,500,000	3,000,000
Debt instrument, basis spread on variable rate			2.50%	2.00%	2.75%		2.75%	1.75%
Monthly principal payments			97,222	41,666	125,000
Debt instrument, maturity period			36 months	36 months	24 months
Annual payment of loan				500,000	1,500,000
Line of credit facility reserve	$ 2,000,000

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Line of Credit Facility, Covenant Terms, Maximum borrowing Capacity as a Percentage of Eligible Accounts Receivable

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- Definition

Line Of Credit Facility Reserve

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- Definition

Amount of the total principal payments made during the annual reporting period.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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The percentage points added to the reference rate to compute the variable rate on the debt instrument.

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- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399



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-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400



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-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Name Accounting Standards Codification

-Topic 210

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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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The maximum amount of borrowing capacity under a line of credit that is available as of the balance sheet date for a specific purpose other than for financing goods acquired for inventory or imminent delivery to a customer.

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