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v3.23.2

Note 11 - Financial Information by Business Segment (Details Textual) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2023 | Mar. 31, 2022
Statement [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | $ 3,624,000 | $ 6,175,000 | $ 11,764,000 | $ 19,270,000
Investment Management Services [Member] |  |  |  |
Statement [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 3,624,000 | 6,175,000 | 11,764,000 | 19,270,000
Investment Management Services [Member] | U S Global Investors Funds [Member] |  |  |  |
Statement [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 482,000 | 803,000 | 1,400,000 | 3,100,000
Investment Management Services [Member] | U S Global E T Fs [Member] |  |  |  |
Statement [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | $ 3,100,000 | $ 5,400,000 | $ 10,400,000 | $ 16,100,000

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