Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $)	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
Common stock, par value (in Dollars per share)	$ 0.01	$ 0.01	$ 0.01
Common stock, shares authorized (in Shares)	50,000,000	50,000,000	50,000,000
Common stock, shares issued (in Shares)	25,799,220	22,954,889	22,040,006
Common stock, shares outstanding (in Shares)	25,799,220	22,954,889	22,040,006
Series B Preferred Stock [Member]
Preferred stock, par value (in Dollars per share)	$ 0.01	$ 0.01	$ 0.01
Preferred stock, shares authorized (in Shares)	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 (in Shares)	56,600	56,600	56,600
Preferred stock, shares outstanding (in Shares)	56,600	56,600	56,600