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Redeemable Preferred Stock - Dividends, Liquidations and Conversion Rights (Details) - Series B Preferred Stock - USD ($) | 12 Months Ended
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Oct. 31, 2024 | Oct. 31, 2023
Redeemable Preferred Stock |  |
Preferred stock, dividends per share, declared | $ 50 |
Dividends, preferred stock, cash | $ 3,200,000 | $ 3,200,000
Cumulative unpaid dividends | $ 800,000 | 800,000
Preferred stock, liquidation preference per share | $ 1,000 |
Payment on junior shares | $ 0 |
Preferred stock, liquidation preference value | $ 64,020,000 | $ 64,020,000
Shares of common stock issued upon conversion | 0.0197 |
Stock conversion price | $ 50,760 |
Percent of conversion price to exceed to exercise conversion right | 150.00% |
Number of trading days | 20 days |
Number of consecutive trading days | 30 days |

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