Annual report pursuant to Section 13 and 15(d)

11. STOCK-BASED COMPENSATION (Details - Unvested)

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11. STOCK-BASED COMPENSATION (Details - Unvested) - Unvested Stock Options [Member] - $ / shares
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Unvested stock options, beginning balance 2,511,055 3,421,131
Unvested options granted 3,220,000 3,605,000
Unvested options vested (1,932,191) (4,252,444)
Unvested options cancellations (74,631) (262,632)
Unvested stock options, ending balance 3,724,233 2,511,055
Weighted average exercise price, beginning balance $ 1.37 $ 2.31
Weighted average fair value per share on grant date, granted 0.27 0.53
Weighted average fair value per share on grant date, vested 0.96 1.36
Weighted average fair value per share on grant date, forfeited 1.35 2.25
Weighted average exercise price, ending balance $ 0.63 $ 1.37