XML 87 R76.htm IDEA: XBRL DOCUMENT v3.19.1
LONG-TERM DEBT - Components (Details) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Long-term debt    
Long-term debt $ 209,232,846  
Loan Costs, net of accumulated amortization (921,125) $ (1,026,967)
Long-Term Debt 206,991,712 247,624,811
Credit Facility    
Long-term debt    
Long-term debt 79,845,349 120,745,579
Wells Fargo Mortgage Note Payable Originated September 30, 2014    
Long-term debt    
Long-term debt $ 30,000,000 30,000,000
Long-term debt due within one year    
Stated interest rate (as a percent) 4.33%  
Wells Fargo Mortgage Note Payable Originated April 15, 2016    
Long-term debt    
Long-term debt $ 24,387,497 24,557,468
4.50% Convertible Senior Notes due 2020    
Long-term debt    
Long-term debt, net of discount $ 73,679,991 $ 73,348,731
Long-term debt due within one year    
Stated interest rate (as a percent) 4.50% 4.50%