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Accounting Policies (Fair Value of Financial Instruments) (Tables)
12 Months Ended
Dec. 31, 2013
Accounting Policies Fair Value Of Financial Instruments Tables  
Fair Value Measurement (Tables)

The assets measured at fair value on a recurring basis subject to the disclosure requirements of ASC 820 as of December 31, 2013 and 2012 are as follows:

                  Significant      
            Active Markets     Other     Significant
      Carrying     for Identical     Observable     Unobservable
      Value     Assets     Inputs     Inputs
      2013     (Level 1)     (Level 2)     (Level 3)
Cash and cash equivalents   $ 36,735    $ 36,735    $   $
Restricted cash   $ 19,632,865    $ 19,632,865    $   $
Warrants   $ 377    $   $ 377    $
                         
                  Significant      
            Active Markets     Other     Significant
      Carrying     for Identical     Observable     Unobservable
      Value     Assets     Inputs     Inputs
      2012     (Level 1)     (Level 2)     (Level 3)
Cash and cash equivalents   $ 8,351    $ 8,351    $   $
Restricted cash   $ 19,044,294    $ 19,044,294    $   $
Warrants   $ 7,340    $   $ 7,340    $