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Net Loss Per Share | 6 Months Ended
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Jun. 30, 2021
Earnings Per Share [Abstract] |
Net Loss Per Share | Net Loss Per Share Basic net loss per share is calculated by dividing net loss by the weighted-average number of common shares. As a result of the Company’s net loss incurred for the three and six months ended June 30, 2021 and 2020, all potentially dilutive instruments outstanding would have anti-dilutive effects on per-share calculations for the periods. Therefore, basic and diluted net loss per share were the same for all periods presented as reflected below.
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Numerator: |  |  |  |  |  |  |
Net loss | $ | (12,367) |  |  | $ | (2,334) |  |  | $ | (27,039) |  |  | $ | (18,864) |
Denominator: |  |  |  |  |  |  |
Weighted-average number of common shares – basic | 37,065,300 |  |  | 33,589,174 |  |  | 36,318,437 |  |  | 33,579,434 |
Loss per common share – basic and diluted | $ | (0.33) |  |  | $ | (0.07) |  |  | $ | (0.74) |  |  | $ | (0.56) |
As of June 30, 2021 and 2020, respectively, the Company’s potentially dilutive instruments included 4,431,267 and 3,167,192 options to purchase common shares and 7,757 and 14,233 unvested restricted stock units that were excluded from the computation of diluted weighted average shares outstanding because these securities had an antidilutive impact due to the losses reported. Similarly excluded as of June 30, 2021 and 2020, were potentially dilutive warrants for the purchase of 1,571,429 for both periods.

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