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13. STOCK-BASED COMPENSATION (Details Narrative) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Stock-based Compensation Details Narrative |  |  |  |
Aggregate intrinsic value of options outstanding and exercisable | $ 33,150 |  | $ 33,150 |
Intrinsic value of options exercised | $ 1,464,750 | $ 0 | $ 1,479,042 | $ 236,535
Options exercised |  |  | 1,831,500 |

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