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Basis of Presentation and Description of Business (Narrative) (Details) (USD $)
In Thousands, except Share data in Millions, unless otherwise specified
0 Months Ended 9 Months Ended
Jan. 14, 2014
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Reverse stock split ratio 0.02      
Potentially dilutive common shares related to the outstanding preferred stock, stock options, restricted stock units and warrants   8.1 13.1  
Restricted cash   $ 37   $ 37
Depreciation expense   $ 10 $ 3  
Minimum [Member]
       
Property, Plant and Equipment [Line Items]        
Estimated useful lives of the assets   2 years    
Maximum [Member]
       
Property, Plant and Equipment [Line Items]        
Estimated useful lives of the assets   7 years