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Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Oct. 31, 2012 | Oct. 31, 2011 | Oct. 31, 2010
Revenues (1): |  |  |  |  |  |
Product sales and revenues | $ 94,950 |  | $ 103,007 |  | $ 50,192 |
Service agreement revenues | 18,183 |  | 12,097 |  | 9,034 |
Research and development contracts | 7,470 |  | 7,466 |  | 10,551 |
Total revenues | 120,603 | [1] | 122,570 | [1] | 69,777 | [1]
Costs of revenues: |  |  |  |  |  |
Cost of product sales | 93,876 |  | 96,525 |  | 54,433 |
Cost of service agreement revenues | 19,045 |  | 30,825 |  | 23,627 |
Cost of research and development contracts | 7,237 |  | 7,830 |  | 10,370 |
Total costs of revenues | 120,158 |  | 135,180 |  | 88,430 |
Gross profit (loss) | 445 |  | (12,610) |  | (18,653) |
Operating expenses: |  |  |  |  |  |
Administrative and selling expenses | 18,220 |  | 16,299 |  | 17,150 |
Research and development expenses | 14,354 |  | 16,768 |  | 18,562 |
Total operating expenses | 32,574 |  | 33,067 |  | 35,712 |
Loss from operations | (32,129) |  | (45,677) |  | (54,365) |
Interest expense | (2,304) |  | (2,578) |  | 127 |
Income (loss) from equity investment | (645) |  | 58 |  | (730) |
Impairment of equity Investment | (3,602) |  | 0 |  | 0 |
License fee and royalty income | 1,599 |  | 1,718 |  | 1,561 |
Other income (expense), net | 1,244 |  | 1,047 |  | (254) |
Loss before redeemable preferred stock of subsidiary | (35,837) |  | (45,432) |  | (53,915) |
Accretion of redeemable preferred stock of subsidiary | 0 |  | (525) |  | (2,367) |
Loss before provision for income taxes | (35,837) |  | (45,957) |  | (56,282) |
Provision for income taxes | (69) |  | (17) |  | (44) |
Net loss | (35,906) |  | (45,974) |  | (56,326) |
Net loss attributable to noncontrolling interest | 411 |  | 261 |  | 663 |
Net loss attributable to FuelCell Energy | (35,495) |  | (45,713) |  | (55,663) |
Adjustment for Modification of Redeemable Preferred Stock of Subsidiary | 0 |  | (8,987) |  | 0 |
Preferred stock dividends | (3,201) |  | (3,200) |  | (3,201) |
Net loss to common shareholders | $ (38,696) |  | $ (57,900) |  | $ (58,864) |
Net loss to common shareholders per share |  |  |  |  |  |
Basic | $ (0.23) |  | $ (0.47) |  | $ (0.63) |
Diluted | $ (0.23) | [2] | $ (0.47) | [2] | $ (0.63) | [2]
Basic | 165,471,261 |  | 124,498,073 |  | 93,925,863 |
Diluted | 165,471,261 |  | 124,498,073 |  | 93,925,863 |
[1] | (1) Includes revenue from a related party. Refer to Concentrations in note 1 to the financial statements.
[2] | Due to the net loss to common shareholders 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. Potentially dilutive instruments include stock options, warrants and convertible preferred stock. At October 31, 2012, 2011 and 2010, there were options to purchase 3.1 million, 3.3 million and 5.1 million shares of common stock, respectively. On January 13, 2011 we issued 10.2 million warrants in connection with a registered direct offering. Each warrant was exercisable for 1 share of common stock. The warrants had an exercise price of $2.29 per share and were exercisable beginning six months and one day after the initial closing date and expired in the fourth quarter of 2012.

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