Note 1 - Organization and Description of Business and Recent Developments (Details Textual) - USD ($) $ in Millions |
Mar. 27, 2023 |
Oct. 04, 2022 |
Jun. 30, 2026 |
Jan. 16, 2026 |
Jun. 17, 2025 |
|---|---|---|---|---|---|
| American Ventures Management LLC [Member] | |||||
| Subsidiary, Ownership Percentage, Parent | 90.00% | ||||
| American VO Manager LLC [Member] | |||||
| Subsidiary, Ownership Percentage, Parent | 65.00% | 65.00% | |||
| American Ventures IM LLC [Member] | |||||
| Subsidiary, Ownership Percentage, Parent | 90.00% | ||||
| American VO IM LLC [Member] | |||||
| Subsidiary, Ownership Percentage, Parent | 65.00% | 65.00% | |||
| Fieldpoint Private Securities, LLC [Member] | |||||
| Business Combination, Achieved in Stages, Preacquisition and Acquired Equity Interests in Acquiree, Percentage | 100.00% | ||||
| Payments to Acquire Businesses, Gross | $ 1.4 | $ 2.0 | |||
| Business Combination, Voting Equity Interest Acquired, Percentage | 80.00% | 20.00% |