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Note 3 - Investment Management and Other Fees (Tables) | 6 Months Ended
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Dec. 31, 2024
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Six Months Ended |  |  | Three Months Ended |
|  | December 31, |  |  | December 31, |
(dollars in thousands) |  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
ETF advisory fees |  | $ | 3,593 |  |  | $ | 5,171 |  |  | $ | 1,829 |  |  | $ | 2,462 |
USGIF advisory fees |  |  | 893 |  |  |  | 965 |  |  |  | 427 |  |  |  | 459 |
USGIF performance fees received (paid) |  |  | (159 | ) |  |  | (243 | ) |  |  | (56 | ) |  |  | (131 | )
Total Advisory Fees |  |  | 4,327 |  |  |  | 5,893 |  |  |  | 2,200 |  |  |  | 2,790 |
USGIF administrative services fees |  |  | 61 |  |  |  | 58 |  |  |  | 31 |  |  |  | 28 |
Total Operating Revenue |  | $ | 4,388 |  |  | $ | 5,951 |  |  | $ | 2,231 |  |  | $ | 2,818 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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