Annual report pursuant to Section 13 and 15(d)

Equity (Schedule of Outstanding Warrants) (Details)

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Equity (Schedule of Outstanding Warrants) (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Jul. 31, 2010
Class of Warrant or Right [Line Items]    
Exercise Price $ 0.68  
Number of Warrants 11,530,877  
Series X Warrants [Member]
   
Class of Warrant or Right [Line Items]    
Exercise Price $ 0.46  
Number of Warrants 8,333,333  
Expiration Date Dec. 31, 2013  
Series AA Warrants [Member]
   
Class of Warrant or Right [Line Items]    
Exercise Price $ 0.97  
Number of Warrants 2,400,000  
Expiration Date Jul. 23, 2014  
Series BB Warrants [Member]
   
Class of Warrant or Right [Line Items]    
Exercise Price $ 2.0 $ 2.0
Number of Warrants 300,000  
Expiration Date Jul. 07, 2015  
Series EE Warrants [Member]
   
Class of Warrant or Right [Line Items]    
Exercise Price $ 2.375  
Number of Warrants 134,211  
Expiration Date Aug. 09, 2015  
Series FF Warrants [Member]
   
Class of Warrant or Right [Line Items]    
Exercise Price $ 1.97  
Number of Warrants 30,000  
Expiration Date Dec. 01, 2015  
Series GG Warrants [Member]
   
Class of Warrant or Right [Line Items]    
Exercise Price $ 2.1  
Number of Warrants 333,333  
Expiration Date Dec. 29, 2016