CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net Income (Loss) Attributable to U.S. Global Investors, Inc.		$ 8,607	$ (1,612)	$ 27,212	$ (6,182)
Other Comprehensive Income (Loss), Net of Tax:
Unrealized gains on available-for-sale securities arising during period	[1]	12,262	0	12,262	0
Less: reclassification adjustment for gains included in net income	[2]	(436)	0	(436)	0
Net change from available-for-sale investments, net of tax		11,826	0	11,826	0
Foreign currency translation adjustment		6	310	18	311
Other Comprehensive Income		11,832	310	11,844	311
Comprehensive Income (Loss)		20,439	(1,302)	39,056	(5,871)
Less: Comprehensive Income Attributable to Non-Controlling Interest		0	114	0	114
Comprehensive Income (Loss) Attributable to U.S. Global Investors, Inc.		$ 20,439	$ (1,416)	$ 39,056	$ (5,985)

[1] Amounts include tax expense of $3.3 million for both year-to-date and quarter-ending March 31, 2021.

[2] Amounts include tax expense of $116,000 for both year-to-date and quarter-ending March 31, 2021.