The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

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The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.

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Number of new stock issued during the period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Shareholders' Equity (Details Narrative) - USD ($)	3 Months Ended
Shareholders' Equity (Details Narrative) - USD ($)	Oct. 31, 2020	Oct. 31, 2019
Subsidiary, Sale of Stock [Line Items]
Dividends, preferred stock
Stock issued during the period
Preferred Stock Series B [Member]
Subsidiary, Sale of Stock [Line Items]
Preferred stock liquidation preference, per share value	$ 100
Dividends payable amount per share	$ 10