CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) (USD $)	Mar. 30, 2013	Dec. 29, 2012
CONSOLIDATED CONDENSED BALANCE SHEETS
Receivables, allowance for doubtful accounts (in dollars)	$ 17,200	$ 17,300
Common Stock
Statement
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	4,999,647	4,996,459
Common stock, shares outstanding	4,999,647	4,996,459