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Income Taxes (Tables) | 12 Months Ended
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Oct. 31, 2024
Income Taxes |
Schedule of Components of Loss Before Income Taxes | The components of loss before income taxes for the years ended October 31, 2024, 2023, and 2022 were as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2024 |  | 2023 |  | 2022
U.S. | ​ | $ | (140,713) | ​ | $ | (95,910) | ​ | $ | (145,439)
Foreign |  | ​ | (16,040) |  | ​ | (11,565) |  | ​ | (974)
Loss before income taxes | ​ | $ | (156,753) | ​ | $ | (107,475) | ​ | $ | (146,413)
Schedule of Reconciliation of Federal Statutory Income Tax Rate To Effective Income Tax Rate | The reconciliation of the federal statutory income tax rate to our effective income tax rate for the years ended October 31, 2024, 2023 and 2022 was as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2024 |  | 2023 |  | 2022 |
Statutory federal income tax rate |  | (21.0) | % | (21.0) | % | (21.0) | %
Increase (decrease) in income taxes resulting from: |  | ​ | ​ | ​ | ​ | ​ | ​
State taxes, net of Federal benefits |  | (4.4) | % | (3.2) | % | (3.6) | %
Foreign withholding tax |  | 0.1 | % | 0.5 | % | 0.6 | %
Net operating loss expiration, impairment and true-ups |  | (1.1) | % | 6.1 | % | 8.7 | %
Nondeductible expenditures |  | 0.2 | % | 2.1 | % | 1.4 | %
Change in tax rates |  | (0.4) | % | 2.8 | % | 0.3 | %
Other, net |  | 0.3 | % | 0.6 | % | 0.7 | %
Deferred only adjustment |  | (0.4) | % | (0.1) | % | (0.1) | %
Valuation allowance |  | 26.8 | % | 12.7 | % | 13.6 | %
Effective income tax rate |  | 0.1 | % | 0.5 | % | 0.6 | %
Schedule of Deferred Tax Assets and Liabilities | Our deferred tax assets and liabilities consisted of the following as of October 31, 2024 and 2023 (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2024 |  | 2023
Deferred tax assets: |  | ​ |  |  | ​ |
Compensation and benefit accruals | ​ | $ | 7,344 | ​ | $ | 6,026
Bad debt and other allowances | ​ |  | 2,695 | ​ |  | 1,945
Capital loss and tax credit carry-forwards | ​ |  | 16,296 | ​ |  | 14,701
Net operating losses (domestic and foreign) | ​ |  | 170,780 | ​ |  | 139,900
Deferred license revenue | ​ |  | 871 | ​ |  | 1,148
Accumulated depreciation | ​ |  | 15,969 | ​ |  | 14,051
Grant revenue | ​ |  | 210 | ​ |  | 323
Excess business interest | ​ |  | 5,860 | ​ |  | 6,406
Operating lease liabilities | ​ |  | 1,840 | ​ |  | 1,879
Capitalized research and development | ​ | ​ | 18,305 | ​ | ​ | 9,729
Mark-to-market | ​ | ​ | 1,702 | ​ | ​ | 987
Other | ​ | ​ | 150 | ​ | ​ | 4
Gross deferred tax assets: | ​ |  | 242,022 | ​ |  | 197,099
Valuation allowance | ​ |  | (228,139) | ​ |  | (193,477)
Deferred tax assets after valuation allowance | ​ |  | 13,883 | ​ |  | 3,622
Deferred tax liability: | ​ |  | ​ | ​ |  | ​
Net loss attributable to noncontrolling interests | ​ | ​ | (7,567) | ​ | ​ | —
In process research and development | ​ |  | (2,322) | ​ |  | (2,293)
Right of use assets | ​ |  | (1,556) | ​ |  | (1,600)
Other | ​ | ​ | (2,745) | ​ | ​ | (9)
Net deferred tax liability | ​ | $ | (307) | ​ | $ | (280)

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