Consolidated Balance Sheets (Parenthetical) (USD $)	Jan. 01, 2012	Jan. 02, 2011
Consolidated Balance Sheets [Abstract]
Deferred charges, accumulated amortization	$ 986,000	$ 898,000
Common stock, par value	$ 0.05	$ 0.05
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	5,993,453	5,966,942
Common stock, shares outstanding	5,993,453	5,966,942
Preferred stock, par value	$ 0	$ 0
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0