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EQUITY INCENTIVE PLAN (Tables) | 3 Months Ended
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Mar. 31, 2020
EQUITY INCENTIVE PLAN [Abstract] |
Summary of stock option activity |
|  | Number of |  | Weighted-Average
|  | Options |  | Exercise Price
Outstanding at January 1, 2020 |  | 490,330 |  | $ | 8.30
Granted |  | 325,050 |  |  | 2.09
Forfeited |  | (13,267) |  |  | 5.43
Outstanding at March 31, 2020 |  | 802,113 |  | $ | 5.85
Exercisable at March 31, 2020 |  | 244,357 |  | $ | 11.06

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