Note 4 - Equity Method Investments (Details Textual) - USD ($)	3 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Sep. 30, 2019
Equity Method Investments	$ 278,000		$ 280,000
Income (Loss) from Equity Method Investments, Total	$ (4,000)	$ (30,000)
Serlefin BPO&O Peru S.A.C. [Member]
Equity Method Investment, Ownership Percentage	80.00%
Equity Method Investment, Ownership Percentage, Controlled Party	20.00%
Noninterest Expense Related to Performance Fees	$ 300,000	$ 300,000
Equity Method Investments	278,000		$ 280,000
Income (Loss) from Equity Method Investments, Total	$ 256,000
Serlefin BPO&O Peru S.A.C. [Member]
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest	49.00%
Three Individuals [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	51.00%

The ownership percentage of an equity method investment that owned by the party other than the company.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

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Incentive fees which are compensation paid to a trading advisor or to any practitioner who achieves investment results above a specified contractual level.

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The number of units or percentage investment held in the subsidiary by the limited liability company or limited partnership.

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