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Permanent Equity (Retirement of Treasury Stock) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2011
Sep. 30, 2011
Dec. 31, 2012
Dec. 31, 2011
Equity, Class of Treasury Stock [Line Items]        
Purchase of common stock for treasury 19,900 647,701   667,601
Treasury Stock, Retired, Cost Method, Amount       $ 1,488
Treasury Stock Acquired, Average Cost Per Share       $ 2.23
Retirement of treasury stock     50,400 667,601
Retained Earnings/ (Accumulated Deficit) [Member]
        
Equity, Class of Treasury Stock [Line Items]        
Treasury Stock, Retired, Cost Method, Amount     328  
Treasury Stock [Member]
        
Equity, Class of Treasury Stock [Line Items]        
Purchase of common stock for treasury       667,601
Treasury Stock, Retired, Cost Method, Amount     $ (328) $ (1,488)
Retirement of treasury stock     (50,400) (667,601)