Condsolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $)	Sep. 27, 2014	Dec. 28, 2013
Preferred stock par value (in Dollars per share)	$ 1.00	$ 1.00
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in Dollars per share)	$ 0.05	$ 0.05
Common stock, shares authorized	40,000,000	40,000,000
Common stock, shares issued	14,017,357	13,892,265
Common stock, shares outstanding	12,544,051	12,418,959
Treasury stock shares	1,473,306	1,473,306