Consolidated Balance Sheets (Parentheticals) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Preferred stock par value (in Dollars per share) (in Dollars per share)	$ 0.10	$ 0.10
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Common stock, par value (in Dollars per share)	$ 0.10	$ 0.10
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares issued	10,523,559	10,321,749
Common stock, shares outstanding	10,523,559	10,321,749