LONG-TERM DEBT - Interest Expense (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
LONG-TERM DEBT
Interest expense	$ 2,799,000	$ 2,486,000
Amortization of Loan Costs	149,503	105,841
Amortization of Discount on Convertible Notes	503,987	331,260
Total Interest Expense	3,453,000	2,923,000
Total Interest Paid	$ 3,140,000	$ 3,431,000