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Note 3 - Investment Management and Other Fees (Tables) | 3 Months Ended
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Sep. 30, 2022
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months Ended |
|  | September 30, |
(dollars in thousands) |  | 2022 |  |  | 2021 |
ETF advisory fees |  | $ | 3,913 |  |  | $ | 5,316 |
USGIF advisory fees |  |  | 610 |  |  |  | 966 |
USGIF performance fees earned (paid) |  |  | (146 | ) |  |  | 188 |
Total Advisory Fees |  |  | 4,377 |  |  |  | 6,470 |
USGIF administrative services fees |  |  | 35 |  |  |  | 51 |
Total Operating Revenues |  | $ | 4,412 |  |  | $ | 6,521 |

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