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Net Loss per Share
3 Months Ended
Mar. 31, 2020
Net Loss per Share  
Net Loss per Share

10. Net Loss per Share

Basic net loss per share is calculated by dividing net loss by the weighted average number of shares of common stock outstanding for the period, without consideration for common stock equivalents. The Company’s potentially dilutive shares, which include outstanding stock options, are considered to be common stock equivalents and are only included in the calculation of diluted net loss per share when their effect is dilutive.

Options to purchase 3,216,500 and 1,966,976 shares of common stock as of March 31, 2020 and 2019, respectively, were excluded from the calculation of net loss per share due to their anti-dilutive effect.