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Net loss per share | 9 Months Ended
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Sep. 30, 2021
Net loss per share |
Net loss per share | 15. Net loss per share Net loss per share attributable to common stockholders. As of September 30, 2021, the Company has Class A common stock and Class B common stock. According to the Company’s restated certificate of incorporation, both classes have the same rights to the Company’s earnings and neither of the shares have any prior or senior rights to dividends to other shares. The Company reported a net loss attributable to common stockholders for the three and nine months ended September 30, 2021 and 2020, as such basic net loss per share attributable to common stockholders was the same as diluted net loss per share attributable to common stockholders. Basic and diluted net loss per share attributable to common stockholders was calculated as follows (in thousands, except share and per share amounts): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three Months Ended September 30, |  | Nine Months Ended September 30,
​ |  | 2021 |  | 2020 |  | 2021 |  | 2020
Numerator: | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |
Net loss | ​ | $ | (24,987) | ​ | $ | (8,465) | ​ | $ | (58,919) | ​ | $ | (25,739)
Accretion of redeemable convertible preferred stock to redemption value | ​ |  | 210 | ​ |  | (832) | ​ |  | (1,761) | ​ |  | (2,882)
Cumulative redeemable convertible preferred stock dividends | ​ |  | (451) | ​ |  | (1,412) | ​ |  | (2,747) | ​ |  | (2,987)
Net loss attributable to common stockholders—basic and diluted | ​ | $ | (25,228) | ​ | $ | (10,709) | ​ | $ | (63,427) | ​ | $ | (31,608)
Denominator: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Weighted average Class A common shares outstanding—basic and diluted | ​ | ​ | 29,463,234 | ​ | ​ | 356,074 | ​ | ​ | 10,372,225 | ​ | ​ | 354,341
Weighted average Class B common shares outstanding—basic and diluted | ​ | ​ | 5,852,865 | ​ | ​ | — | ​ | ​ | 1,972,394 | ​ | ​ | —
Total shares for EPS—basic and diluted | ​ | ​ | 35,316,099 | ​ | ​ | 356,074 | ​ | ​ | 12,344,619 | ​ | ​ | 354,341
Net loss per share attributable to Class A common stockholders—basic and diluted | ​ | ​ | (0.71) | ​ | ​ | (30.08) | ​ | ​ | (5.14) | ​ | ​ | (89.20)
Net loss per share attributable to Class B common stockholders—basic and diluted | ​ |  | (0.71) | ​ |  | — | ​ |  | (5.14) | ​ |  | —
​ The Company’s potentially dilutive securities, which include stock options, redeemable convertible preferred stock, common stock warrants and preferred stock warrants, have been excluded from the computation of diluted net loss per share as the effect would be to reduce the net loss per share. Therefore, the weighted average number of common shares outstanding used to calculate both basic and diluted net loss per share attributable to common stockholders is the same. The Company excluded the following potential common shares, presented based on amounts outstanding at each period end, from the computation of diluted net loss per share attributable to common stockholders for the periods indicated because including them would have had an anti-dilutive effect: ​
​ | ​ | ​ | ​ | ​
​ |  | September 30,
​ |  | 2021 |  | 2020
Options to purchase common stock |  | 4,772,207 |  | 4,005,581
Warrants to purchase common stock |  | 294,965 |  | 55,872
Redeemable convertible preferred stock (as converted to common stock) |  | — |  | 26,604,306
Warrants to purchase preferred stock (as converted to warrants to purchase common stock) |  | — |  | 1,243,834
​ |  | 5,067,172 |  | 31,909,593
​

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