Quarterly report pursuant to Section 13 or 15(d)

8. Stock Options and Warrants (Details-Warrants Outstanding)

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8. Stock Options and Warrants (Details-Warrants Outstanding) - Warrants [Member]
6 Months Ended
Jun. 30, 2018
$ / shares
shares
Warrants outstanding, beginning balance | shares 17,622,437
Warrants granted | shares 2,189,688
Warrants exercised | shares (12,517,773)
Warrants cancelled | shares (2,287,997)
Warrants outstanding, ending balance | shares 5,006,355
Weighted Average Exercise Price, Outstanding Beginning Balance | $ / shares $ 0.09
Weighted Average Exercise Price, Granted | $ / shares 0.08
Weighted Average Exercise Price, Exercised | $ / shares 0.05
Weighted Average Exercise Price, Cancelled | $ / shares 0.05
Weighted Average Exercise Price, Outstanding Ending Balance | $ / shares $ 0.21