Equity Transactions and Instruments (Details Textual) (USD $)
 3 Months Ended 12 Months Ended 1 Months Ended 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
May 31, 2014
Dec. 31, 2012
Jun. 30, 2014
Sep. 29, 2009
Class of Stock [Line Items]              
Preferred stock, shares issued         1,000,000 500,000  
Preferred Stock, Shares Subscribed but Unissued 500,000            
Preferred Stock [Member]              
Class of Stock [Line Items]              
Preferred Stock, Par Or Stated Value Per Share $ 0.0001            
Preferred Stock, Shares Authorized 2,000,000            
Series A Preferred Stock [Member]              
Class of Stock [Line Items]              
Preferred stock, shares issued 1,000,000   1,000,000   1,000,000    
Preferred Stock Conversion Rate 10.6022            
Preferred Stock Convertible Conversion Price $ 9.43            
Dividends Payable, Current $ 292,000 $ 292,000          
Preferred Stock, Par Or Stated Value Per Share $ 0.0001   $ 0.0001        
Preferred Stock, Dividend Rate, Percentage 7.00%            
Preferred Stock, Dividend Rate, Per-Dollar-Amount $ 7.00            
Preferred Stock, Shares Authorized 1,000,000   1,000,000        
Dividends, Preferred Stock, Cash 1,800,000 96,500,000 7,000,000        
Series A Cumulative Convertible Perpetual Preferred Stock [Member]              
Class of Stock [Line Items]              
Preferred Stock, Liquidation Preference Per Share $ 100            
Convertible Preferred Stock, Terms of Conversion On or prior to October 3, 2017, the holders of Series A Preferred Stock will have a special right to convert some or all of the Series A Preferred Stock into shares of common stock in the event of fundamental changes described in the Certificate of Designations for the Series A Preferred Stock, subject to specified conditions and limitations. In certain circumstances, the Company may also elect to settle conversions in cash as a result of these fundamental changes.            
Series B Preferred Stock [Member]              
Class of Stock [Line Items]              
Preferred stock, shares issued 500,000   500,000        
Preferred Stock, Liquidation Preference Per Share $ 250            
Preferred Stock Conversion Rate 33.456            
Preferred Stock Convertible Conversion Price $ 7.47            
Dividends Payable, Current 351,000 0          
Preferred Stock, Par Or Stated Value Per Share $ 0.0001   $ 0.0001        
Preferred Stock, Dividend Rate, Percentage 6.75%            
Convertible Preferred Stock, Terms of Conversion On or prior to May 15, 2019, in the event of certain specified fundamental changes, holders of the Series B Preferred Stock will have the right to convert some or all of their shares of Series B Preferred Stock into the greater of (i) a number of shares of the Companys common stock as subject to adjustment plus the make-whole premium, if any, and (ii) a number of shares of the Companys common stock equal to the lesser of (a) the liquidation preference divided by the market value of the Companys common stock on the effective date of such fundamental change and (b) 81.9672 (subject to adjustment). In certain circumstances, the Company may elect to cash settle any conversions in connection with a fundamental change.            
Preferred Stock, Dividend Rate, Per-Dollar-Amount $ 16.875            
Preferred Stock, Shares Authorized 500,000   500,000        
Dividends, Preferred Stock, Cash 2,900,000 0 5,000,000        
Series B Preferred Stock [Member] | Public Offering [Member]              
Class of Stock [Line Items]              
Preferred stock, shares issued       500,000      
Price Per Share Of Preferred Stock       $ 250      
Series B Cumulative Convertible Perpetual Preferred Stock [Member]              
Class of Stock [Line Items]              
Preferred Stock, Dividend Rate, Percentage 6.75%            
Warrant [Member]              
Class of Stock [Line Items]              
Class Of Warrant Exercise Price Of Warrants             $ 11.50
Private Offering [Member] | Series A Preferred Stock [Member]              
Class of Stock [Line Items]              
Preferred stock, shares issued         1,000,000    
Private Offering [Member] | Series A Cumulative Convertible Perpetual Preferred Stock [Member]              
Class of Stock [Line Items]              
Preferred Stock, Dividend Rate, Percentage         7.00%    
Private Offering [Member] | Series B Preferred Stock [Member]              
Class of Stock [Line Items]              
Net Proceeds From Issuance Of Convertible Preferred Stock       120,800,000      
Preferred Stock Purchase Price Per Share       $ 242.50      
Convertible Perpetual Preferred Discount Per Share on Issue of Shares       $ 7.50      
Payments of Stock Issuance Costs       400,000      
Payment Of Underwriters Discount       3,800,000      
Private Offering [Member] | Convertible Preferred Stock [Member]              
Class of Stock [Line Items]              
Convertible Perpetual Preferred Discount On Issue Of Shares Including Offering Costs         3,500,000    
Net Proceeds From Issuance Of Convertible Preferred Stock         96,500,000    
Preferred Stock, Liquidation Preference Per Share $ 250