Consolidated Balance Sheets (Parentheticals) (USD $)	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012
Common stock, par value (in Dollars per share)	$ 0.01	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000	50,000,000
Common stock, shares issued	23,389,238	22,954,889	20,220,166
Common stock, shares outstanding	23,389,238	22,954,889	20,220,166
Series B Preferred Stock [Member]
Preferred stock, par value (in Dollars per share)	$ 0.01	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,000,000	1,000,000	1,000,000
Preferred stock, per share liquidation preference (in Dollars per share)	$ 1,000	$ 1,000	$ 1,000
Preferred stock, shares issued	56,600	56,600	56,600
Preferred stock, shares outstanding	56,600	56,600	56,600