CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) (USD $)	Sep. 27, 2014	Dec. 28, 2013
CONSOLIDATED CONDENSED BALANCE SHEETS
Receivables, allowance for doubtful accounts (in dollars)	$ 2,500	$ 4,300
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	4,997,512	5,143,530
Common stock, shares outstanding	4,997,512	5,143,530