Series C 8% Cumulative, Compounding Exchangeable Preferred Stock (Detail Textuals) (USD $)
9 Months Ended 9 Months Ended
Sep. 30, 2012
Directors
Sep. 30, 2012
Preferred Series C
Dec. 31, 2011
Preferred Series C
Sep. 30, 2012
Preferred Series D
Sep. 30, 2012
Preferred Stock
Preferred Series C
Sep. 28, 2012
Preferred Stock
Preferred Series C
Class of Stock [Line Items]            
Preferred Stock, shares authorized 5,000,000 2,800,000 5,000,000 2,200,000    
Preferred Stock, par value ( in dollars per share)   $ 0.01   $ 0.01    
Preferred stock, shares outstanding   14,070 1,588,163 1,331,814   1,715,216
Preferred Stock, exchanged to common stock and warrants   67,291        
Common stock acquired in exchange of Preferred stock   51,554        
Exercise price ( in dollars per share)   $ 2.30        
Dividend payable ( in dollars per share)   $ 0.08   $ 0.08    
Maximum number of outstanding preferred shares required for voting as a single class   500,000   500,000    
Number of directors elected by holders of preferred stock 4          
Total Number of directors 7          
Preferred Stock, Liquidation Preference (in dollars per share)   $ 11.00        
Percentage of factor multiplied to liquidation amount   105.00%        
Series C preferred stock issued in satisfaction of accrued dividends (in shares)         127,053