LONG-TERM DEBT - Interest Expense (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
LONG-TERM DEBT
Interest expense	$ 2,123,000	$ 2,598,000	$ 4,922,000	$ 5,084,000
Amortization of Loan Costs	74,000	107,000	223,306	213,008
Amortization of Discount on Convertible Notes	256,000	337,000	760,354	667,847
Total Interest Expense	2,453,000	3,042,000	5,905,000	5,965,000
Total Interest Paid	$ 2,496,000	$ 1,636,000	$ 5,636,000	$ 5,067,000