Business Combination - Post-Acquisition Financial Information (Details) (Galileo [Member], USD $) In Thousands, unless otherwise specified	1 Months Ended
	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.