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Notes Payable and Accrued Interest (Tables)
6 Months Ended
Jun. 30, 2016
Notes Payable and Accrued Interest [Abstract]  
Notes payable and accrued interest
At June 30, 2016 and December 31, 2015, the Company's notes payable and accrued interest consisted of the following:

  
June 30,
2016
  
December 31,
2015
 
Credit Facility principal
 
$
78,800,000
  
$
110,400,000
 
Unamortized debt issuance costs
  
(2,440,500
)
  
(2,814,000
)
Credit Facility accrued interest
  
9,300
   
35,600
 
  
$
76,368,800
  
$
107,621,600