Consolidated Balance Sheets (Parentheticals) (USD $)	Dec. 31, 2011	Dec. 31, 2010
Preferred stock, par value (in Dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,250,000	1,250,000
Preferred stock, shares issued	0	0
Common stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	12,500,000	12,500,000
Common stock, shares issued	8,218,726	8,045,078
Common stock, shares outstanding	7,807,789	7,634,141
Treasury stock, shares	410,937	410,937