Income Taxes - Summary of Differences Between Income Tax Provision (Benefit) and Applied Federal Statutory Rate (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Income tax at U.S. federal statutory rate	$ (5,301)	$ (12,551)	$ (5,661)
Share-based compensation	43	38	21
State income tax, net of federal tax effect	(1,348)	(2,528)	(1,629)
Foreign tax	70	(27)	(108)
Other	(42)	51	137
Change in valuation allowance	6,621	14,080	5,728
Income tax (benefit) provision	$ 43	$ (937)	$ (1,512)