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Property and Equipment (Details Textual) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 147 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Mar. 31, 2014
Property and Equipment (Textual) [Abstract]        
Depreciation and amortization $ 3 $ 10 $ 1,809 $ 1,809