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Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Jan. 31, 2019	Oct. 31, 2018
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	225,000,000	225,000,000
Common stock, shares issued	108,415,259	95,672,237
Common stock, shares outstanding	108,415,259	95,672,237
Treasury stock, shares	156,501	156,501
Series B Preferred Stock [Member]
Preferred Stock, Liquidation Preference, Value	$ 64,020	$ 64,020
Series C Preferred Stock [Member]
Preferred Stock, Liquidation Preference, Value	7,470	8,992
Series D Preferred Stock [Member]
Preferred Stock, Liquidation Preference, Value	$ 25,426	$ 30,680

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- Definition

Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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