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Business Combination - Post-Acquisition Financial Information (Details) (Galileo [Member], USD $) In Thousands, unless otherwise specified | 1 Months Ended
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Jun. 30, 2014
Galileo [Member] |  |
Business Acquisition [Line Items] |  |
Total revenues | $ 234 |
Net income | 18 |
Net income attributable to U.S. Global Investors, Inc. | 12 |
Costs associated with the acquisition | $ 33 | [1]
[1] | Costs associated with the Galileo acquisition are included in general and administrative expenses in the Consolidated Statements of Operations.

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- Definition For transactions that are recognized separately from the acquisition of assets and assumptions of liabilities in the business combination, such as related to pre-existing relationships with the acquiree, this element represents the disclosure of the amount of acquisition related costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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- Definition The revenues and gains recognized recorded for each transaction with the acquiree that is recognized separately from the acquisition of assets and assumptions of liabilities in the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(3) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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