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13. STOCK-BASED COMPENSATION (Details Narrative) - USD ($) | 6 Months Ended
--- | ---
Jun. 30, 2015 | Jun. 30, 2014
Stock-based Compensation Details Narrative |  |
Common stock reserved for issuance | 4,341,989 |
Common stock available for issuance | 1,060,989 |
Aggregate intrinsic value of options outstanding and exercisable | $ 2,193,632 |
Intrinsic value of options exercised | $ 236,535 | $ 400,954
Options exercised | 182,500 |

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