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EQUITY INCENTIVE PLAN (Tables) | 3 Months Ended
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Mar. 31, 2021
EQUITY INCENTIVE PLAN [Abstract] |
Summary of stock option activity | The following table summarizes stock option activity under our plans during the three months ended March 31, 2021:
|  | Number of |  | Weighted-Average
|  | Options |  | Exercise Price
Outstanding at January 1, 2021 |  | 822,992 |  | $ | 4.46
Granted |  | 591,097 |  |  | 2.16
Forfeited |  | (55,993) |  |  | 2.25
Outstanding at March 31, 2021 |  | 1,358,096 |  | $ | 3.55
Exercisable at March 31, 2021 |  | 461,181 |  | $ | 5.63

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