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Notes Payable and Accrued Interest (Tables)
6 Months Ended
Jun. 30, 2015
Notes Payable and Accrued Interest [Abstract]  
Notes payable and accrued interest
At June 30, 2015 and December 31, 2014, the Company's notes payable and accrued interest consisted of the following:

  
June 30,
2015
  
December 31,
2014
 
Credit Facility principal
 
$
127,400,000
  
$
133,400,000
 
Unamortized debt issuance costs
  
(3,220,900
)
  
(4,104,400
)
Credit Facility accrued interest
  
87,400
   
190,600
 
  
$
124,266,500
  
$
129,486,200