Subsequent Events (Amendment to Credit Agreement with Silicon Valley Bank) (Details) (USD $)	6 Months Ended
Jun. 29, 2013
Subsequent Event [Line Items]
Maximum borrowing capacity as a percentage of eligible accounts receivable	80.00%
Subsequent Event [Member]
Subsequent Event [Line Items]
Credit agreement, maximum borrowing capacity	$ 5,000,000
Silicon Valley Bank [Member]
Subsequent Event [Line Items]
Debt instrument, basis spread on variable rate	2.50%
Silicon Valley Bank [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Repayments of Debt	2,732,000
Debt instrument, basis spread on variable rate	2.75%
Credit agreement, maximum borrowing capacity	$ 5,000,000
Maximum borrowing capacity as a percentage of eligible accounts receivable	80.00%

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant