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EQUITY INCENTIVE PLAN (Tables) | 12 Months Ended
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Dec. 31, 2019
EQUITY INCENTIVE PLAN [Abstract] |
Summary of stock option activity | The following table summarizes stock option activity under our plans during the year ended December 31, 2019:
|  | Number of |  | Weighted-Average
|  | Options |  | Exercise Price
Outstanding at January 1, 2019 |  | 224,895 |  | $ | 15.90
Granted |  | 292,604 |  |  | 2.36
Forfeited |  | (27,169) |  |  | 6.03
Outstanding at December 31, 2019 |  | 490,330 |  | $ | 8.30
Exercisable at December 31, 2019 |  | 181,705 |  | $ | 13.48

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