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Preferred Stock (Details)
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6 Months Ended | ||||
|---|---|---|---|---|---|
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Apr. 30, 2013
USD ($)
|
Apr. 30, 2013
CAD
|
Apr. 30, 2012
USD ($)
|
Oct. 31, 2012
USD ($)
|
Oct. 31, 2012
CAD
|
|
| Preferred Stock [Abstract] | |||||
| Preferred Stock, Shares Issued | 64,020 | 64,020 | 64,020 | 64,020 | |
| Temporary Equity, Carrying Amount, Attributable to Parent | $ 59,857,000 | $ 59,857,000 | |||
| Dividends, Preferred Stock, Cash | 1,600,000 | 1,600,000 | |||
| Carrying Value of Series 1 Preferred Shares | 14,400,000 | 14,600,000 | 14,200,000 | 14,200,000 | |
| Return of Capital and Dividend Payments on Series 1 Preferred Shares | 600,000 | 600,000 | |||
| Derivative Liability, Fair Value, Gross Liability | $ 700,000 | $ 700,000 | |||