STOCKHOLDERS' EQUITY (Details Narrative) - USD ($)			3 Months Ended
	Jan. 12, 2016	Jan. 06, 2016	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Preferred stock, par value (in dollars per share)			$ 0.001		$ 0.001
Preferred stock, shares authorized			10,000,000		10,000,000
Preferred stock, shares issued			0		0
Preferred stock, shares outstanding			0		0
Common stock, shares authorized			350,000,000		350,000,000
Common stock, shares issued			198,593,268		196,688,222
Common stock, shares outstanding			198,593,268		196,688,222
Value of common stock issued during period for stock options exercised			$ 192,310	$ 786,450
Number of common stock issued during period for stock options exercised (shares)			95,046	340,045
Underwriting Agreement - Goldman And Cowen [Member]
Number of shares issued during the period	17,424,242	15,151,515
Share price (in dollars per share)		$ 8.25
Common stock issued during the period		$ 134,864,000
Additional common stock issued under offering		2,272,727
Number of days of the option to purchase shares		30 days