Annual report pursuant to Section 13 and 15(d)

Stockholders Equity (Details)

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Stockholders Equity (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Company's preferred stock authorized, issued and outstanding    
Shares Authorized 200,000  
Shares Issued and Outstanding 76,643 0
Amount $ 45,592  
Aggregate Liquidation Preference 81,779  
Series A Convertible Preferred Stock [Member]
    
Company's preferred stock authorized, issued and outstanding    
Shares Authorized 66,000  
Shares Issued and Outstanding 65,649  
Amount 31,475  
Aggregate Liquidation Preference 65,649  
Series B Convertible Preferred Stock [Member]
    
Company's preferred stock authorized, issued and outstanding    
Shares Authorized 10,000  
Shares Issued and Outstanding 7,130  
Amount 5,330  
Aggregate Liquidation Preference 7,130  
Series C Convertible Preferred Stock [Member]
    
Company's preferred stock authorized, issued and outstanding    
Shares Authorized 5,000  
Shares Issued and Outstanding 3,864  
Amount 8,787  
Aggregate Liquidation Preference $ 9,000  
Undesignated [Member]
    
Company's preferred stock authorized, issued and outstanding    
Shares Authorized 119,000