Quarterly report pursuant to Section 13 or 15(d)

10. STOCK-BASED COMPENSATION (Details - Unvested)

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10. STOCK-BASED COMPENSATION (Details - Unvested) - Unvested Stock Options [Member]
 6 Months Ended
Jun. 30, 2016
$ / shares
shares
Unvested stock options, beginning balance | shares 2,511,055
Unvested options granted | shares 1,210,000
Unvested options vested | shares (404,801)
Unvested options cancellations | shares (13,015)
Unvested stock options, ending balance | shares 3,303,239
Weighted average exercise price, beginning balance | $ / shares $ 1.37
Weighted average fair value per share on grant date, granted | $ / shares 0.31
Weighted average fair value per share on grant date, vested | $ / shares 1.97
Weighted average fair value per share on grant date, cancellations | $ / shares 0.54
Weighted average exercise price, ending balance | $ / shares $ 0.91