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v3.23.2

Note 3 - Investment Management and Other Fees (Details Textual) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2023 | Mar. 31, 2022 | Jun. 30, 2022
Fund Clients [Member] |  |  |  |  |
Statement [Line Items] |  |  |  |  |
Receivables, Net, Current, Total | $ 1,200,000 |  | $ 1,200,000 |  | $ 1,600,000
U S Global E T Fs [Member] |  |  |  |  |
Statement [Line Items] |  |  |  |  |
Unitary Management Fee, Percentage of Average Net Assets |  |  | 0.60% |  |
U S Global E T Fs [Member] | Fund Clients [Member] |  |  |  |  |
Statement [Line Items] |  |  |  |  |
Receivables, Net, Current, Total | 1,000,000.0 |  | $ 1,000,000.0 |  | 1,400,000
U S Global Jets U C I T S E T F [Member] |  |  |  |  |
Statement [Line Items] |  |  |  |  |
Unitary Management Fee, Percentage of Average Net Assets |  |  | 0.65% |  |
U S Global Investors Funds [Member] |  |  |  |  |
Statement [Line Items] |  |  |  |  |
Aggregate Fees Waived and Expenses Borne | 299,000 | $ 147,000 | $ 822,000 | $ 465,000 |
Annual Administrative Fee Rate |  |  | 0.05% |  |
U S Global Investors Funds [Member] | Fund Clients [Member] |  |  |  |  |
Statement [Line Items] |  |  |  |  |
Receivables, Net, Current, Total | $ 145,000 |  | $ 145,000 |  | $ 188,000
U S Global Investors Funds [Member] | Equity Funds [Member] |  |  |  |  |
Statement [Line Items] |  |  |  |  |
Investment Advisory Fees, Fee Adjustment Base Percentage Adjustment When Fund Performance is Not Within Limits to Benchmark Index | 0.25% |  | 0.25% |  |
Investment Advisory Fees, Fee Adjustment Percent, Minimum Performance to Designed Benchmark Over Prior Rolling 12 Months | 5.00% |  | 5.00% |  |

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