CASH AND CASH EQUIVALENTS (Details) - USD ($)	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016	Dec. 31, 2015
Cash and Cash Equivalents [Abstract]
Money market funds	$ 15,106,834	$ 20,978,947
Checking and bank deposits	80,530,738	4,052,333
Total	$ 95,637,572	$ 25,031,280	$ 36,478,420	$ 55,061,329