CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, unless otherwise specified	Dec. 28, 2013	Dec. 29, 2012
Accounts receivable, allowance	$ 27	$ 8
Inventories, reserves	175	682
Common Stock, shares authorized (in shares)	10,000	10,000
Common Stock, issued shares (in shares)	5,571	5,556
Common Stock, outstanding shares (in shares)	5,571	5,556
Assets of the consolidated variable interest entity	9,949	10,045
Liabilities of the consolidated variable interest entity	$ 1,874	$ 1,948