LONG-TERM DEBT - Interest Expense (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
LONG-TERM DEBT
Interest expense	$ 2,801,000	$ 1,921,000	$ 7,886,000	$ 6,107,000
Amortization of Loan Costs	111,000	103,000	323,672	389,656
Amortization of Discount on Convertible Notes	342,000	321,000	1,009,847	947,419
Total Interest Expense	3,254,000	2,345,000	9,220,000	7,444,000
Total Interest Paid	$ 3,075,000	$ 2,798,000	$ 8,142,000	$ 6,989,000