Annual report pursuant to Section 13 and 15(d)

8. STOCKHOLDERS' EQUITY (Details Narrative)

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8. STOCKHOLDERS' EQUITY (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Preferred stock, par value $ 0.0001 $ 0.0001
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, issued 0 0
Preferred stock, outstanding 0 0
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares authorized 75,000,000 75,000,000
Common stock, issued 46,353,068 36,725,499
Common stock, outstanding 46,353,068 36,725,499
Stock-based compensation $ 2,223,288 $ 1,561,659
Options outstanding, weighted average remaining contractual life 7 years 6 months  
Options exercisable, weighted average remaining contractual life 6 years 2 months 12 days  
Total unrecognized compensation expense related to unvested options $ 4,300,000  
Total unrecognized compensation expense related to unvested options, period 2 years 7 months 6 days  
Exercisable options intrinsic value $ 7,627  
Non-Voting Common Stock    
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares authorized 8,591,160 8,591,160
Common stock, issued 0 8,591,160
Common stock, outstanding 0 8,591,160