CASH AND CASH EQUIVALENTS (Details) - USD ($)	Jun. 30, 2017	Dec. 31, 2016	Jun. 30, 2016	Dec. 31, 2015
Cash and Cash Equivalents [Abstract]
Money market funds	$ 20,145,411	$ 20,978,947
Checking and bank deposits	57,456,952	4,052,333
Total	$ 77,602,363	$ 25,031,280	$ 28,577,832	$ 55,061,329