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INVESTMENT MANAGEMENT AND OTHER FEES (Details) - Disaggregation of Revenue - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Revenues	$ 6,521	$ 3,245
Base Advisory Fee [Member[ | U.S. Global Investors Funds [Member] | Investment and Advisory Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	966	896
Investment Performance [Member] | U.S. Global Investors Funds [Member] | Investment and Advisory Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	188	9
Investment and Advisory Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	6,470	3,195
Investment and Advisory Services [Member] | U.S. Global ETFs [Member]
Disaggregation of Revenue [Line Items]
Revenues	5,316	2,290
Administrative Service [Member]
Disaggregation of Revenue [Line Items]
Revenues	51	50
Administrative Service [Member] | U.S. Global Investors Funds [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 51	$ 50

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