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Net Loss Per Share | 12 Months Ended
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Dec. 31, 2020
Net Loss Per Share |
Note 3. Net Loss Per Share | Basic net loss per share is computed using the weighted-average number of common shares outstanding during the period except that it does not include unvested common shares subject to repurchase or cancellation. Diluted net income per share is computed using the weighted-average number of common shares and, if dilutive, potential common shares outstanding during the period. Potential common shares consist of the incremental common shares issuable upon the exercise of stock options, warrants and convertible preferred shares (see Note 10. Stockholders’ Equity and Stock-Based Compensation). The treasury stock method is used in calculating diluted EPS for potentially dilutive stock options and share purchase warrants, which assumes that any proceeds received from the exercise of in-the-money stock options and share purchase warrants, would be used to purchase common shares at the average market price for the period, unless including the effects of these potentially dilutive securities would be anti-dilutive. The following table sets forth the computation of the basic and diluted loss per share (rounded in millions except shares outstanding and per share amounts):
|  | 2020 |  |  | 2019 |
Basic |  |  |  |  | Revised |
Numerator: |  |  |  |  |  |
Net loss attributable to common stockholders |  | $ | (15.2 | ) |  | $ | (11.4 | )
Denominator: |  |  |  |  |  |  |  |
Weighted-average common shares outstanding |  |  | 4,216,568 |  |  |  | 3,107,580 |
Basic net loss per share |  | $ | (3.59 | ) |  | $ | (3.66 | )
Diluted |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |
Net loss attributable to common stockholders, basic |  | $ | (15.2 | ) |  | $ | (11.4 | )
Effect of dilutive securities |  |  | — |  |  |  | — |
Net loss, diluted |  | $ | (15.2 | ) |  | $ | (11.4 | )
Denominator: |  |  |  |  |  |  |  |
Weighted average common shares outstanding - basic |  |  | 4,216,568 |  |  |  | 3,107,580 |
Potential common share issuances: |  |  |  |  |  |  |  |
Incremental dilutive shares from equity instruments (treasury stock method) |  |  | — |  |  |  | — |
Weighted-average common shares outstanding |  |  | 4,216,568 |  |  |  | 3,107,580 |
Diluted net loss per share |  | $ | (3.59 | ) |  | $ | (3.66 | )
The following outstanding securities have been excluded from the computation of diluted weighted shares outstanding for the periods noted below, as they would have been anti-dilutive due to the Company’s losses for the years ended December 31, 2020 and 2019:
|  | Years Ended |
|  | December 31, |
|  | 2020 |  |  | 2019 |
Warrants outstanding |  |  | 70,361 |  |  |  | 70,361 |
Stock options outstanding |  |  | 515,847 |  |  |  | 518,551 |
RSUs outstanding |  |  | 243,800 |  |  |  | - |
Series A convertible preferred stock to common shares |  |  | 79,304 |  |  |  | 80,038 |
Series B convertible preferred stock to common shares |  |  | 272,084 |  |  |  | 253,843 |
Total |  |  | 1,181,396 |  |  |  | 922,793 |

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