Note 3 - Management Contracts Purchased (Details Textual) $ in Thousands |
3 Months Ended | 9 Months Ended | |
|---|---|---|---|
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2025
USD ($)
|
|
| Number of Purchases of Assets | 12 | 12 | |
| Number of Investment Funds | 33 | 33 | |
| Management Contracts Purchased, Impairment | $ 0 | ||
| Previously Capitalized Management Contract Costs | $ 100 | $ 310 | $ 0 |