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FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) $ in Thousands	3 Months Ended
	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items]
Number of Operating Segments	2
Net operating revenues	$ 6,521	$ 3,245
Investment Management Services [Member]
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items]
Net operating revenues	6,521	3,245
Investment Management Services [Member] | U.S. Global Investors Funds [Member]
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items]
Net operating revenues	1,200	955
Investment Management Services [Member] | U.S. Global ETFs [Member]
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items]
Net operating revenues	$ 5,300	$ 2,300

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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