STOCKHOLDERS' EQUITY (Details Narrative) - USD ($)					3 Months Ended		9 Months Ended
	Sep. 28, 2017	Sep. 25, 2017	Jan. 12, 2016	Jan. 06, 2016	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Preferred stock, par value (in dollars per share)					$ 0.001		$ 0.001		$ 0.001
Preferred stock, shares authorized					10,000,000		10,000,000		10,000,000
Preferred stock, shares issued					0		0		0
Preferred stock, shares outstanding					0		0		0
Common stock, shares authorized					350,000,000		350,000,000		350,000,000
Common stock, shares issued					216,429,642		216,429,642		196,688,222
Common stock, shares outstanding					216,429,642		216,429,642		196,688,222
Value of common stock issued during period for stock options exercised					$ 255	$ 1,018	$ 212,615	$ 979,060
Number of common stock issued during period for stock options exercised (in shares)					2,500	10,000	102,546	427,168
Number of stock options exercised (in shares)						127,109		544,277
Number of stock options exercised in cashless exercise (in shares)						117,109		117,109
Number of common stock issued during period for stock options exercised in cashless exercise (in shares)						78,017		78,017
Underwriting Agreement - J.P. Morgan Securities LLC [Member]
Number of shares issued during the period	12,400,000	12,400,000
Share price (in dollars per share)		$ 5.55
Common stock issued during the period		$ 68,573,000
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