Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 29, 2013	Dec. 29, 2012
Allowance for doubtful accounts (in Dollars)	$ 185	$ 187
Common Stock, Class A, par value (in Dollars per share)	$ 0.25	$ 0.25
Common Stock, Class A, shares authorized (in Shares)	10,000,000	10,000,000
Common Stock, Class A, shares issued (in Shares)	3,071,000	3,071,000
Common Stock, Class A, shares outstanding (in Shares)	3,071,000	3,071,000
Treasury stock, shares (in Shares)	1,357,200	1,357,200