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Liquidity - (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 1 Months Ended 12 Months Ended 96 Months Ended 1 Months Ended
Jul. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2009
Feb. 28, 2014
Subsequent Event [Member]
Cash Burn Rate Per Quarter   $ 2,000        
Stock Issued During Period, Value, New Issues   477 23,464 30,988 161,148  
Number of shares sold           16,000,000
Anticipation sale amount to be receive subject to purchase option $ 6,250