CASH AND CASH EQUIVALENTS (Details) - USD ($)	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015
Cash and Cash Equivalents [Abstract]
Money market funds	$ 29,055,021	$ 20,978,947
Checking and bank deposits	62,787,146	4,052,333
Total	$ 91,842,167	$ 25,031,280	$ 29,156,521	$ 55,061,329