LONG-TERM DEBT - Schedule of Long-Term Debt (Details) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Long-term debt
Credit Facility	$ 24,500,000	$ 34,300,000
4.50% Convertible Senior Notes due 2020, net of discount	71,172,151	70,880,581
Long-term debt	161,800,000
Loan Costs, net of accumulated amortization	(1,158,841)	(1,235,380)
Long-Term Debt	156,813,310	166,245,201
Total Long-Term Debt (Due Within One Year)	7,300,000
UBS Mortgage Note Payable
Long-term debt
Mortgage Notes Payable	7,300,000	7,300,000
Mortgage Note Payable (Due Within One Year)	7,300,000
Wells Fargo Mortgage Note Payable Originated September 30, 2014
Long-term debt
Mortgage Notes Payable	30,000,000	30,000,000
Wells Fargo Mortgage Note Payable Originated April 15, 2016
Long-term debt
Mortgage Notes Payable	$ 25,000,000	$ 25,000,000