Goodwill and Intangible Assets (Details Textual) (USD $)	9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Dec. 28, 2013
Goodwill And Intangible Assets Disclosure [Abstract]
Carrying value of goodwill	$ 533,000		$ 533,000	[1]
Goodwill impaired	0
Amortization expense	$ 40,000	$ 172,000

[1] Derived from the audited consolidated financial statements included in the Annual Report on Form 10-K filed with the SEC for the year ended December 28, 2013.