Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 28, 2014	Dec. 28, 2013
Accounts receivable, allowance for doubtful accounts	$ 243	$ 207
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares issued	9,885,147	9,899,483
Common stock, shares outstanding	9,885,147	9,899,483