| Schedule of Earnings Per Share, Basic and Diluted |
The following table sets forth the computation of basic and diluted net (loss) income per share attributable to common stockholders for the periods presented: | | | | | | | | | | | | | | | | | | | | | | | | | (in thousands, except share and per share amounts) | Three Months Ended
September 30, | | Nine Months Ended
September 30, | | | 2021 | | 2022 | | 2021 | | 2022 | | Numerator: | | | | | | | | | Net (loss) income attributable to stockholders | $ | (25,256) | | | $ | 9,303 | | | $ | (21,231) | | | $ | 27,110 | | | Less: Undistributed amounts allocated to participating securities | — | | | — | | | — | | | — | | | Undistributed (loss) income allocated to stockholders | $ | (25,256) | | | $ | 9,303 | | | $ | (21,231) | | | $ | 27,110 | | | Denominator: | | | | | | | | | Weighted average number of shares outstanding, basic | 89,431,022 | | | 94,134,690 | | | 88,956,388 | | | 94,043,105 | | | Weighted average additional shares assuming conversion of potential common shares | — | | | 4,983,831 | | | — | | | 5,174,020 | | | Weighted average common shares outstanding - diluted | 89,431,022 | | | 99,118,521 | | | 88,956,388 | | | 99,217,125 | | | Net (loss) income per share attributable to stockholders, basic | $ | (0.28) | | | $ | 0.10 | | | $ | (0.24) | | | $ | 0.29 | | | Net (loss) income per share attributable to stockholders, diluted | $ | (0.28) | | | $ | 0.09 | | | $ | (0.24) | | | $ | 0.27 | |
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| Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share |
The following potentially dilutive outstanding securities were excluded from the computation of diluted net (loss) income per share because their effect would have been anti-dilutive for the periods presented, or issuance of such shares is contingent upon the satisfaction of certain conditions which were not satisfied by the end of the period: | | | | | | | | | | | | | | | | | | Three and Nine Months Ended September 30, | | | | | 2021 | | 2022 | | | | | | Stock options | 13,175,249 | | 8,964,397 | | | | | | | | | | | | | | Restricted Stock Awards | 1,824,597 | | 2,131,704 | | | | | | Restricted Stock Units | 44,211 | | 44,560 | | | | |
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