Note 12 - Revenue (Details Textual) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Underwriting Income (Loss)	$ 7,902	$ 19,858	$ 40,851	$ 25,770
Carried Interest Income	1,551	10,500	2,647	10,500
Brokerage Commissions Revenue	6,567	5,834	9,057	7,848
Principal Transactions Revenue, Net	(36)	2,078	(1,568)	1,168
Noninterest Income, Other Operating Income	527	310	1,021	625
Management Fee Income	310	103	574	180
Interest and Dividend Income, Operating	278	334	586	372
Income From Customers [Member]
Interest and Dividend Income, Operating	78	53	150	121
Income From Noncustomers [Member]
Interest and Dividend Income, Operating	$ 201	$ 152	436	259
Transferred at Point in Time [Member]
Underwriting Income (Loss)			40,900	25,800
Carried Interest Income			2,700	10,500
Brokerage Commissions Revenue			9,100	7,800
Principal Transactions Revenue, Net			(1,600)	(1,200)
Trading Gain (Loss)			3,300	2,600
Principal Investment Gain (Loss)			(4,900)	(3,800)
Transferred over Time [Member]
Noninterest Income, Other Operating Income			447	437
Management Fee Income			574	180
Transferred over Time [Member] \| Income From Customers [Member]
Noninterest Income, Other Operating Income				121
Interest and Dividend Income, Operating			150
Transferred over Time [Member] \| Income From Noncustomers [Member]
Noninterest Income, Other Operating Income				$ 259
Interest and Dividend Income, Operating			$ 436

Represents the amount of carried interest income.

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Represents the amount of management fee income.

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Amount of commission revenue from buying and selling securities on behalf of customers.

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Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.

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Amount of revenue earned, classified as other, excluding interest income.

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Amount of realized and unrealized gain (loss), from the firm's direct investment activity, conducted separately from customer trading activities, and includes, but is not limited to, investments in private equity, alternative investment products, real estate, and exchanges and memberships.

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Amount of realized and unrealized gain (loss) resulting from the difference between acquisition price and selling price or fair value of trading assets and trading liabilities, and from the firm's direct investment activity, conducted separately from customer trading activities, including, but not limited to, investments in private equity, alternative investment products, real estate, and exchanges and memberships.

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Amount of gain (loss) resulting from the difference between the acquisition price and the selling price or fair value of trading assets and trading liabilities, conducted separately from customer trading activities. Includes, but is not limited to, changes in fair value of trading assets and trading liabilities.

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The difference between the price paid by the public and the contract price less the related expenses. A broker-dealer may underwrite a security offering by contracting to buy the issue either at a fixed price or a price based on selling the offering on a best-effort basis.

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No definition available.

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