UNAUDITED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, unless otherwise specified	Jun. 29, 2013	Dec. 29, 2012
Statement of Financial Position [Abstract]
Accounts receivable, allowance	$ 50	$ 8
Inventories, reserves	149	682
Common Stock, shares authorized (in shares)	10,000	10,000
Common Stock, issued shares (in shares)	5,556	5,556
Common Stock, outstanding shares (in shares)	5,556	5,556
Assets of the consolidated variable interest entity	9,793	10,045
Liabilities of the consolidated variable interest entity	$ 2,216	$ 1,948