LONG-TERM DEBT - Interest Expense (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
LONG-TERM DEBT
Interest expense	$ 2,486,000	$ 2,100,000
Amortization of Loan Costs	105,841	149,895
Amortization of Discount on Convertible Notes	331,260	310,782
Total Interest Expense	2,923,000	2,561,000
Total Interest Paid	$ 3,431,000	$ 2,899,000