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STOCKHOLDERS' EQUITY (Details Narrative) - USD ($)
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
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 216,584,274   216,429,642
Common stock, shares outstanding 216,584,274   216,429,642
Stock Options [Member]      
Value of common stock issued during period for stock options exercised $ 44,057 $ 192,310  
Number of stock options exercised (in shares) 144,791 95,046  
Number of stock options exercised in cashless exercise (in shares) 10,000    
Number of common stock issued during period for stock options exercised in cashless exercise (in shares) 9,841