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Income Taxes - Schedule of Reconciliation of Federal Statutory Income Tax Rate To Effective Income Tax Rate (Details)
 12 Months Ended
Oct. 31, 2024
Oct. 31, 2023
Oct. 31, 2022
Income Taxes      
Statutory federal income tax rate (21.00%) (21.00%) (21.00%)
State taxes, net of Federal benefits (4.40%) (3.20%) (3.60%)
Foreign withholding tax 0.10% 0.50% 0.60%
Net operating loss expiration, impairment and true-ups (1.10%) 6.10% 8.70%
Nondeductible expenditures 0.20% 2.10% 1.40%
Change in tax rates (0.40%) 2.80% 0.30%
Other, net 0.30% 0.60% 0.70%
Deferred only adjustment (0.40%) (0.10%) (0.10%)
Valuation allowance 26.80% 12.70% 13.60%
Effective income tax rate 0.10% 0.50% 0.60%