STOCKHOLDERS' EQUITY (Details Narrative) - USD ($)	1 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Preferred stock, shares authorized		10,000,000	10,000,000	10,000,000
Preferred stock, par value (in dollars per share)		$ 0.001	$ 0.001	$ 0.001
Common stock, par value (in dollars per share)		$ 0.001	$ 0.001	$ 0.001
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition		1 year
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total		$ 14,800,000,000	$ 18,800,000,000
Milestone-based restricted stock outstanding		242,000	696,172
Net Proceeds From Shares New Issues Over-Allotments		$ 131,515,541	$ 4,411,233	$ 67,760,517
Common Stock, Shares Authorized		150,000,000	150,000,000	150,000,000
Share-based Compensation, Total		$ 15,945,284	$ 7,509,999	$ 15,697,092
Treasury Stock, Shares		41,309	41,309	41,309
Treasury Stock, Value		$ 234,337	$ 234,337	$ 234,337
Available-for-sale Securities, Equity Securities				$ 175,000,000
Atm [Member]
Stock Issued During Period, Shares, New Issues		3,104,253	570,366	4,850,055
Share Price		$ 10.18	$ 7.88	$ 10.31
Stock Issued During Period, Value, New Issues		$ 31,600,000	$ 4,400,000	$ 67,000,000
Proceeds From Issuance Of Common Stock		$ 31,000,000	$ 4,500,000	$ 68,200,000
Common Stock Value Reserved for Future Issuance	$ 50,000,000
Commission Percentage			3.00%
Non Employee Restricted Stock
Milestone-based restricted stock outstanding		2,413,917