Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Mar. 30, 2013	Dec. 31, 2012
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	35,000,000	35,000,000
Common stock, shares issued	10,746,950	10,738,065
Treasury stock shares, held in treasury	143,300	143,300