Annual report pursuant to Section 13 and 15(d)

Shareholders' Equity (Details Textual)

v2.4.0.6
Shareholders' Equity (Details Textual) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Oct. 31, 2011
Common Stock [Member]
Dec. 31, 2012
Common Stock [Member]
Jun. 30, 2011
Series A Preferred Stock [Member]
Dec. 31, 2012
Series A Preferred Stock [Member]
Dec. 31, 2011
Series A Preferred Stock [Member]
Dec. 31, 2010
Series A Preferred Stock [Member]
Jun. 03, 2011
Series A Preferred Stock [Member]
Dec. 31, 2012
Series C Preferred Stock [Member]
Dec. 31, 2011
Series C Preferred Stock [Member]
Jun. 22, 2007
Series C Preferred Stock [Member]
Stockholder
Oct. 31, 2011
Series D Preferred Stock
Dec. 31, 2012
Series D Preferred Stock
Dec. 31, 2011
Series D Preferred Stock
Class of Stock [Line Items]                              
Common Stock, shares authorized 500,000,000 500,000,000                          
Common Stock, par value $ 0.01 $ 0.01                          
Preferred Stock, shares authorized 10,000,000         4,000,000 4,000,000     500,000 500,000     2,000,000  
Preferred Stock, par value $ 0.01         $ 0.01 $ 0.01     $ 0.01 $ 0.01        
Exercise of common stock warrants, shares       66,397                      
Number of stock holders held Series C preferred stock                       30      
Dividends payable on Series A preferred stock           $ 0.25                  
Redemption of Series A Preferred Stock, shares         602,759   602,759                
Preferred Stock aggregate redemption price                 $ 1.8            
Preferred Stock, shares issued                           457,603      
Preferred Share Per share Arrears                   $ 1.54       $ 2.30 $ 0.31
Preferred Stock, shares outstanding                           457,603      
Rate of dividend per annum                           8.00%  
Total cash dividend   4.7                       3.0  
Preferred Shares Arrears                           $ 2.6 $ 0.4
Number of Series D Preferred Stock converted                           10  
Series D preferred stock     940,141       (294,680) (128,495)         80,654 12,336,556  
Shareholders' Equity (Textual) [Abstract]                              
Shares surrendered in lieu of cash payment 1,379                            
Designate shares of preferred stock 10,000,000                            
Series D Preferred Stock purchase price $ 24.80                            
Conversion Price $ 2.48                            
Minimum Closing Bid Price $ 5.00                            
Number of consecutive trading days 30 days                            
Cash on amount per outstanding shares $ 24.80