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SHARE-BASED COMPENSATION (Tables) | 3 Months Ended
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Mar. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of common stock options | The following table summarizes information related to our common stock options as of March 31, 2019:
| Number of Stock Options |  | Weighted Average Exercise Price
Options outstanding at January 1, 2019 | 2,575,774 |  |  | $ | 1.67 |
Granted | — |  |  | — |
Exercised | (26,667 | ) |  | 1.70 |
Canceled/Forfeited | — |  |  | — |
Expired | — |  |  | — |
Options outstanding at March 31, 2019 | 2,549,107 |  |  | $ | 1.67 |
Options exercisable at March 31, 2019 | 1,953,777 |  |  | $ | 1.46 |

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