Goodwill and Intangible Assets (Details Textual) (USD $)	3 Months Ended
	Apr. 04, 2015	Mar. 29, 2014	Jan. 03, 2015
Goodwill And Intangible Assets Disclosure [Abstract]
Carrying value of goodwill	$ 533,000		$ 533,000	[1]
Impairment of goodwill	0
Amortization expense	$ 4,000	$ 32,000

[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 January 3, 2015.