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           ORGANIZATION - Common Stock Issued (Details) (USD $) 
        In Thousands, except Share data, unless otherwise specified  | 
        1 Months Ended | 12 Months Ended | 103 Months Ended | 139 Months Ended | 12 Months Ended | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 
           Nov. 30, 2013 
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           Jun. 30, 2013 
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           Feb. 28, 2013 
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           Jan. 31, 2013 
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           Jul. 31, 2012 
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           May 31, 2012 
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           Apr. 30, 2012 
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           Sep. 30, 2011 
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           Mar. 31, 2011 
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           Dec. 31, 2013 
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           Dec. 31, 2012 
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           Dec. 31, 2010 
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           Dec. 31, 2013 
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           Dec. 31, 2011
 
          Restated 
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           Dec. 31, 2013
 
          Lower Range 
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           Dec. 31, 2012
 
          Lower Range 
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           Dec. 31, 2011
 
          Lower Range 
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           Dec. 31, 2013
 
          Upper Range 
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           Dec. 31, 2012
 
          Upper Range 
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           Dec. 31, 2011
 
          Upper Range 
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| Shares issued | 57,950,952 | 40,250,000 | 23,000,000 | 57,500,000 | 25,300,000 | 23,000,000 | 18,975,000 | 25,875,000 | 17,250,000 | 178,927,850 | 67,344,636 | 62,027,184 | 351,453,495 | 43,153,825 | ||||||||||||||||
| Equity Issuance, Per Share Amount | $ 4.97 | [1],[2] | $ 6.22 | [1],[2] | $ 4.55 | [1],[2] | $ 10.48 | [1],[2] | $ 6.71 | [1],[2] | $ 6.00 | [1],[2] | ||||||||||||||||||
| Common stock issuance, total proceeds | $ 1,262,600 | $ 434,900 | $ 210,900 | |||||||||||||||||||||||||||
          
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| X | ||||||||||
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- Definition 
          The fair value of consideration paid in the Exchange Offer. No definition available. 
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| X | ||||||||||
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- Definition 
          Amount per share or per unit assigned to the consideration received of equity securities issued for development stage entities. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition 
          Number of shares issued as consideration for cash for development stage entities. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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