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Loss Per Share | 12 Months Ended
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Oct. 31, 2023
Loss Per Share |
Loss Per Share | Note 17. Loss Per Share Basic earnings (loss) per common share (“EPS”) are generally calculated as income (loss) available to common stockholders divided by the weighted average number of common shares outstanding. Diluted EPS is generally calculated as income (loss) available to common stockholders divided by the weighted average number of common shares outstanding plus the dilutive effect of common share equivalents. The calculation of basic and diluted EPS for the years ended October 31, 2023, 2022 and 2021 was as follows (amounts in thousands, except share and per share amounts): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year ended October 31, | ​
​ |  | 2023 | ​ | ​ | 2022 | 2021 |
Numerator | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net loss attributable to FuelCell Energy, Inc. | ​ | $ | (107,568) | ​ | $ | (142,722) | ​ | $ | (101,055) | ​
Series B preferred stock dividends | ​ | ​ | (3,200) | ​ | ​ | (3,200) | ​ | ​ | (3,200) | ​
Net loss attributable to common stockholders | ​ | $ | (110,768) | ​ | $ | (145,922) | ​ | $ | (104,255) | ​
Denominator | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average common shares outstanding – basic | ​ | ​ | 419,747,796 | ​ | ​ | 383,139,140 | ​ | ​ | 334,742,346 | ​
Effect of dilutive securities (1) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​
Weighted average common shares outstanding – diluted | ​ | ​ | 419,747,796 | ​ | ​ | 383,139,140 | ​ | ​ | 334,742,346 | ​
Net loss to common stockholders per share – basic | ​ | $ | (0.26) | ​ | $ | (0.38) | ​ | $ | (0.31) | ​
Net loss to common stockholders per share – diluted (1) | ​ | $ | (0.26) | ​ | $ | (0.38) | ​ | $ | (0.31) | ​
(1) | Due to the net loss to common stockholders in each of the years presented above, diluted earnings per share was computed without consideration to potentially dilutive instruments as their inclusion would have been antidilutive. As of October 31, 2023, 2022 and 2021, potentially dilutive securities excluded from the diluted loss per share calculation are as follows:
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​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | October 31, | ​ | October 31, | ​ | October 31,
​ |  | 2023 |  | 2022 | ​ | 2021
May 2017 Offering – Series C Warrants | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 950,102
Outstanding options to purchase common stock | ​ | ​ | 18,291 | ​ | ​ | 20,231 | ​ | ​ | 22,388
Unvested Restricted Stock Units | ​ | ​ | 6,543,138 | ​ | ​ | 2,520,881 | ​ | ​ | 2,543,541
5% Series B Cumulative Convertible Perpetual Preferred Stock | ​ | ​ | 37,837 | ​ | ​ | 37,837 | ​ | ​ | 37,837
Total potentially dilutive securities | ​ | ​ | 6,599,266 | ​ | ​ | 2,578,949 | ​ | ​ | 3,553,868
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