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Net Loss per Share | 9 Months Ended
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Sep. 30, 2021
Earnings Per Share [Abstract] |
Net Loss per Share | 6. Net Loss per Share Basic net loss per share is computed by dividing net loss by the weighted average number of shares of common stock outstanding for the period. The Company’s potentially dilutive shares, which include outstanding common stock options, inducement stock options, unvested restricted stock and warrants, have not been included in the computation of diluted net loss per share for any of the periods presented as the result would be anti-dilutive. Such potentially dilutive shares of common stock consisted of the following as of September 30, 2021 and 2020, respectively:
|  | September 30, |
|  | 2021 |  |  | 2020 |
Stock options |  |  | 11,072,894 |  |  |  | 6,572,191 |
Inducement stock options |  |  | 97,500 |  |  |  | 863,333 |
Unvested restricted stock |  |  | 1,510,655 |  |  |  | 1,289,389 |
Warrants |  |  | 22,705,571 |  |  |  | 22,272,727 |
|  |  | 35,386,620 |  |  |  | 30,997,640 |

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