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Preferred Stock (Details) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Oct. 31, 2016 CAD shares | Oct. 31, 2016 USD ($) $ / shares | Oct. 31, 2015 CAD shares | Oct. 31, 2015 USD ($) | Oct. 31, 2014 CAD | Oct. 31, 2014 USD ($) | Dec. 31, 2020 CAD | Oct. 31, 2016 USD ($) $ / shares shares | Oct. 31, 2015 USD ($) shares
Statement [Line Items] |  |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Outstanding | shares |  | 64,020 |  |  |  |  |  |  | 64,020 |
Temporary Equity, Carrying Amount, Attributable to Parent | $ |  |  |  |  |  |  |  |  | $ 59,857,000 | $ 59,857,000
Preferred Stock, Liquidation Preference, Value | $ |  |  |  |  |  |  |  |  | $ 64,020,000 | $ 64,020,000
Shares of Common Stock Issued upon Conversion | shares | [1] | 454,043 |  | 454,043 |  |  |  |  | 454,043 | 454,043
Derivative Liability, Fair Value, Gross Liability | $ |  |  |  |  |  |  |  |  | $ 700,000 | $ 700,000
Series B Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |
Statement [Line Items] |  |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Authorized | shares |  | 250,000 |  |  |  |  |  |  | 250,000 |
Preferred Stock, Liquidation Preference Per Share | $ / shares |  |  |  |  |  |  |  |  | $ 1,000 |
Preferred Stock, Shares Issued | shares |  | 64,020.0 |  | 64,020.0 |  |  |  |  | 64,020.0 | 64,020.0
Preferred Stock, Shares Outstanding | shares |  | 64,020.0 |  | 64,020.0 |  |  |  |  | 64,020.0 | 64,020.0
Temporary Equity, Carrying Amount, Attributable to Parent | $ |  |  |  |  |  |  |  |  | $ 59,900,000 | $ 59,900,000
Preferred Stock, Dividends Per Share, Declared | $ / shares |  |  | $ 50 |  |  |  |  |  |  |
Dividends, Preferred Stock, Cash | $ |  |  | $ 3,200,000 |  | $ 3,200,000 |  | $ 3,200,000 |  |  |
Preferred Stock, Liquidation Preference, Value | $ |  |  |  |  |  |  |  |  | $ 64,000,000 | $ 64,000,000
Shares of Common Stock Issued upon Conversion | shares |  | 7.0922 |  |  |  |  |  |  | 7.0922 |
Stock Conversion Price | $ / shares |  |  |  |  |  |  |  |  | $ 141.00 |
Percent of Conversion Price To Exceed to Exercise Conversion Right |  | 150.00% |  |  |  |  |  |  | 150.00% |
Discount on Market Price of Shares of Common Stock |  | 5.00% |  |  |  |  |  |  | 5.00% |
Series 2 Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |
Statement [Line Items] |  |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Outstanding | shares |  | 1,000,000 |  |  |  |  |  |  | 1,000,000 |
Series 1 Preferred Shares [Member] |  |  |  |  |  |  |  |  |  |
Statement [Line Items] |  |  |  |  |  |  |  |  |  |
Temporary Equity, Carrying Amount, Attributable to Parent | CAD |  | CAD 18,000,000 |  | CAD 16,900,000 |  |  |  |  |  |
Shares of Common Stock Issued upon Conversion | shares | [1] | 1,042,000 |  | 337,200 |  |  |  |  | 1,042,000 | 337,200
Payments of Dividends | CAD |  | CAD 500,000 |  |  |  |  |  |  |  |
Return of Capital Payments | CAD |  | 750,000 |  |  |  |  |  |  |  |
Interest Expense, Other | CAD |  | 2,400,000 |  | CAD 2,300,000 |  | CAD 2,100,000 |  |  |  |
Carrying Value of Preferred Shares, Total | $ |  |  |  |  |  |  |  |  | $ 13,500,000 | $ 12,600,000
Return of Capital and Dividend Payments | CAD |  | CAD 1,300,000 |  | CAD 1,300,000 |  | CAD 1,300,000 |  |  |  |
percent calculated on weighted average price of common shares |  | the number of common shares is determined by dividing the cash dividend obligation by 95% of the volume weighted average price in US dollars | the number of common shares is determined by dividing the cash dividend obligation by 95% of the volume weighted average price in US dollars |  |  |  |  |  |  |
Percent of Common Stock Price |  | 95.00% | 95.00% |  |  |  |  |  |  |
Preferred Stock, Redemption Price Per Share | $ / shares |  |  |  |  |  |  |  |  | $ 25 |
Preferred Stock Exchange Right Per Common Stock Share | $ |  |  |  |  |  |  |  |  | $ 1,664.52 |
Scenario, Forecast [Member] | Series 1 Preferred Shares [Member] |  |  |  |  |  |  |  |  |  |
Statement [Line Items] |  |  |  |  |  |  |  |  |  |
Accrued and Unpaid Dividend Obligation | CAD |  |  |  |  |  |  |  | CAD 21,100,000 |  |
Preferred Stock, Redemption Amount | CAD |  |  |  |  |  |  |  | CAD 4,400,000 |  |
[1] | Refer to Note 12, Redeemable Preferred Stock, for information on the calculation of the common shares upon conversion.

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