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Notes Payable and Accrued Interest (Tables)
6 Months Ended
Jun. 30, 2012
Notes Payable and Accrued Interest [Abstract]  
Notes payable and accrued interest
At June 30, 2012 and December 31, 2011, the Company's notes payable and accrued interest consisted of the following:

   
June 30,
  
December 31,
 
   
2012
  
2011
 
        
Credit Facility principal
 $82,800,000  $65,200,000 
Credit Facility accrued interest
  125,000   472,700 
   $82,925,000  $65,672,700