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EARNINGS PER SHARE (Details) - Computation for Basic and Diluted Earnings Per Share - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Earnings Per Share Basic And Diluted Abstract
Net loss attributable to U.S. Global Investors, Inc. (in Dollars)	$ (868)	$ (128)
Weighted average number of outstanding shares
Basic	15,342,186	15,429,327
Effect of dilutive securities
Employee stock options	0	0
Diluted	15,342,186	15,429,327
Loss per share attributable to U.S. Global Investors, Inc.
Basic (in Dollars per share)	$ (0.06)	$ (0.01)
Diluted (in Dollars per share)	$ (0.06)	$ (0.01)

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