Goodwill and Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 28, 2013
Changes in goodwill
Balance, beginning of period	$ 533	[1]
Additions as a result of acquisitions	0
Balance, end of period	$ 533

[1] Derived from the audited consolidated financial statements included in the annual report filed on Form 10-K with the SEC for the year ended December 29, 2012.