CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net Loss	$ (841)us-gaap_ProfitLoss	$ (1,165)us-gaap_ProfitLoss	$ (931)us-gaap_ProfitLoss	$ (1,203)us-gaap_ProfitLoss
Other Comprehensive Income (Loss), Net of Tax:
Unrealized gains (losses) on available-for-sale securities arising during period	(618)	(8)	(849)	371
Less: reclassification adjustment for gains/losses included in net income	(57)	121	(252)	(457)
Net change from available-for-sale investments, net of tax	(675)	113	(1,101)	(86)
Foreign currency translation adjustment	(70)	0	(149)	0
Other Comprehensive Income (Loss)	(745)	113	(1,250)	(86)
Comprehensive Loss	(1,586)	(1,052)	(2,181)	(1,289)
Less: Comprehensive Loss Attributable to Non-Controlling Interest	(24)	0	(13)	0
Comprehensive Loss Attributable to U.S. Global Investors, Inc.	$ (1,562)us-gaap_ComprehensiveIncomeNetOfTax	$ (1,052)us-gaap_ComprehensiveIncomeNetOfTax	$ (2,168)us-gaap_ComprehensiveIncomeNetOfTax	$ (1,289)us-gaap_ComprehensiveIncomeNetOfTax

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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