Related Party Transaction - Additional Information (Detail) - USD ($)	3 Months Ended	40 Months Ended
Apr. 30, 2020	Jan. 31, 2020	Oct. 07, 2016
Related Party Transaction [Line Items]
Maximum number of preferred stock to be issued (in shares)	1,000,000	1,000,000
Preferred stock, par value (in usd per share)	$ 1.00	$ 1.00
Series A Preferred Stock \| Non-Executive Chairman
Related Party Transaction [Line Items]
Equity distribution compensation expenses	$ 0
Series A Preferred Stock \| Ladenburg Thalmann & Co. Inc.
Related Party Transaction [Line Items]
Maximum number of preferred stock to be issued (in shares)	0		500,000
Preferred stock dividend rate		9.00%
Preferred stock, par value (in usd per share)			$ 1.00
Percentage of compensation fees to be paid		2.00%
Stock issued during period (in shares)	16,656	994,046
Preferred stock issued from at the market sale of stock program (as a percent)	100.00%
Gross proceeds from preferred stock	$ 417,000
Equity distribution compensation expenses	$ 8,000

Maximum equity distribution compensation fee percentage of gross proceeds.

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- Definition

Preferred Stock, Percentage Issued From At The Market Sale Of Stock Program

+ References

No definition available.

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- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

+ References

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-Publisher FASB
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- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

No definition available.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

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Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation.

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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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- Definition

Number of new stock issued during the period.

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