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Note 2 - Acquisitions and Strategic Partnerships (Details Textual) - USD ($) $ / shares in Units, $ in Millions | Oct. 01, 2024 | Sep. 30, 2025 | Jun. 30, 2025 | Feb. 03, 2025 | Sep. 19, 2024 | Jul. 01, 2024 | Jun. 30, 2024
--- | --- | --- | --- | --- | --- | --- | ---
Finite-Lived Intangible Assets, Net |  | $ 89.0 |  |  |  |  |
Share Price (in dollars per share) | $ 37.74 |  |  |  |  |  |
Tabula Investment Management [Member] |  |  |  |  |  |  |
Subsidiary, Ownership Percentage, Noncontrolling Owner |  |  |  |  |  |  | 1.20%
Victory Park Capital Advisors (V P C) [Member] |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired | 55.00% |  |  |  |  |  |
Payments to Acquire Businesses, Gross | $ 114.0 |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) | 824,208 |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability |  | $ 19.8 |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High | $ 111.4 |  |  |  |  |  |
Business Acquisition, Goodwill, Expected Tax Deductible Amount | $ 130.0 |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life (Year) | 6 years |  |  |  |  |  |
Victory Park Capital Advisors (V P C) [Member] | Investment Management Contracts [Member] |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | $ 28.0 |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 4 years |  |  |  |  |  |
Victory Park Capital Advisors (V P C) [Member] | Client Relationships [Member] |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | $ 20.5 |  |  |  |  |  |
Victory Park Capital Advisors (V P C) [Member] | Client Relationships [Member] | Minimum [Member] |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 4 years |  |  |  |  |  |
Victory Park Capital Advisors (V P C) [Member] | Client Relationships [Member] | Maximum [Member] |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 10 years |  |  |  |  |  |
Victory Park Capital Advisors (V P C) [Member] | Trademarks [Member] |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | $ 5.5 |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 9 years |  |  |  |  |  |
Triumph Capital Markets Holdco, LP (T C M) [Member] |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  | 55.00% |  |  |
Tabula Investment Management [Member] |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  |  |  | 98.80% |
N B K Capital Partners [Member] |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  |  | 100.00% |  |
Guardian Life Insurance Company [Member] | Strategic Partnership [Member] |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Net |  |  | $ 41.1 |  |  |  |
Guardian Life Insurance Company [Member] | Equity Warrants [Member] | Strategic Partnership [Member] |  |  |  |  |  |  |
Class of Warrants or Rights, Issued During Period |  |  | $ 1.6 |  |  |  |
Class of Warrants or Rights, Vesting Term (Year) |  |  | 10 years |  |  |  |
Warrants and Rights Outstanding, Vesting Percent |  |  | 70.00% |  |  |  |
Guardian Life Insurance Company [Member] | Equity Warrants [Member] | Strategic Partnership [Member] | Vesting Immediately [Member] |  |  |  |  |  |  |
Warrants and Rights Outstanding, Vesting Percent |  |  | 30.00% |  |  |  |
Guardian Life Insurance Company [Member] | Equity Warrants [Member] | Strategic Partnership [Member] | Vesting In 10% Annual Increments [Member] |  |  |  |  |  |  |
Warrants and Rights Outstanding, Vesting Percent |  |  | 10.00% |  |  |  |

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