Note 10 - Commitments and Contingencies (Details Textual) - USD ($) $ in Millions |
1 Months Ended | ||
|---|---|---|---|
Apr. 30, 2026 |
Mar. 31, 2026 |
Jun. 30, 2026 |
|
| Natural Habitat, Inc [Member] | |||
| Maximum Percent of Put Right Exercise | 50.00% | ||
| Subsidiary, Ownership Percentage, Additional Ownership Acquired | 5.00% | ||
| Payments to Acquire Interest in Subsidiaries and Affiliates | $ 16.6 | ||
| Subsidiary, Ownership Percentage, Parent | 95.10% | ||
| Classic Journeys, LLC [Member] | |||
| Subsidiary, Ownership Percentage, Additional Ownership Acquired | 9.90% | ||
| Payments to Acquire Interest in Subsidiaries and Affiliates | $ 3.2 | ||
| Subsidiary, Ownership Percentage, Parent | 90.10% | ||
| Remaining Interest Acquirable Per Year | 50.00% | ||