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Note 4 - Investment Management and Other Fees (Tables) | 3 Months Ended
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Sep. 30, 2023
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months Ended |
|  | September 30, |
(dollars in thousands) |  | 2023 |  |  | 2022 |
ETF advisory fees |  | $ | 2,709 |  |  | $ | 3,913 |
USGIF advisory fees |  |  | 506 |  |  |  | 610 |
USGIF performance fees paid |  |  | (112 | ) |  |  | (146 | )
Total Advisory Fees |  |  | 3,103 |  |  |  | 4,377 |
USGIF administrative services fees |  |  | 30 |  |  |  | 35 |
Total Operating Revenue |  | $ | 3,133 |  |  | $ | 4,412 |

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