Consolidated Balance Sheets (Parentheticals) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Preferred stock par value (in Dollars per share)	$ 1	$ 1
Preferred stock, shares authorized	300,000	300,000
Preferred stock, shares issued	0	0
Common stock par value (in Dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	6,122,790	6,115,907
Common stock, shares outstanding	6,122,790	6,115,907