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Discontinued Operations (Details) (USD $)
1 Months Ended 12 Months Ended
Oct. 31, 2009
Dec. 31, 2012
Dec. 31, 2011
Discontinued operations (Textual) [Abstract]      
Common stock sold $ 39,000,000    
Restricted cash   0 3,000,000
Arbitration dispute   6,500,000  
Legal expenses on claim   $ 720,000 $ 78,000