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DISCONTINUED OPERATIONS (Details) - Disposal Groups, Including Discontinued Operations - Discontinued Operations [Member] - Galileo [Member] - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Revenues
Revenues	$ 0	$ 100
Expenses
Employee compensation and benefits	0	28
General and administrative	0	217
Depreciation and amortization	0	2
	0	247
Other Income
Investment income	0	10
Other income	0	1
	0	11
Loss from discontinued operations of investment management services in Canada before income taxes	0	(136)
Tax expense (benefit)	0	0
Loss from discontinued operations of investment management services in Canada	0	(136)
Less: net loss attributable to non-controlling interest from discontinued operations	0	(48)
Net loss attributable to U.S. Global Investors, Inc. from discontinued operations of investment management services in Canada	$ 0	$ (88)

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