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CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $)
Jun. 30, 2011
Dec. 31, 2010
Common stock par value (in Dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized 200,000,000 200,000,000
Common stock, shares issued 64,255,621 64,122,301
Common stock, shares outstanding 64,255,621 64,122,301
Series C Preferred Stock [Member]
    
Preferred stock par value (in Dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized 10 1,000,000
Preferred stock, shares issued 11,699 18,365
Preferred stock, shares outstanding 11,699 18,365
Series D Preferred Stock [Member]
    
Preferred stock par value (in Dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized 10 500,000
Preferred stock, shares issued 14,999 5,999
Preferred stock, shares outstanding 14,999 5,999
Series E Preferred Stock [Member]
    
Preferred stock par value (in Dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized 10,000 10,000
Preferred stock, shares issued 8,700 0
Preferred stock, shares outstanding 8,700 0