OTHER ACCRUED LIABILITIES (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Other Current Assets
Management compensation	$ 8,873,802	$ 6,432,486	$ 4,270,472
Accrued interest-non-related party	3,875,213	3,047,067	2,216,422
Board of Director fees	600,000	450,000	300,000
Other	3,295,413	2,838,000	2,690,089
Total other accrued liabilities	$ 16,644,428	$ 12,767,553	$ 9,476,983