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INVESTMENT MANAGEMENT, TRANSFER AGENT AND OTHER FEES (Details) - USD ($)		1 Months Ended	3 Months Ended		9 Months Ended
	Nov. 01, 2014	Dec. 31, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Jun. 30, 2015
INVESTMENT MANAGEMENT, TRANSFER AGENT AND OTHER FEES (Details) [Line Items]
Advisory fees			$ 1,139,000	$ 2,420,000
Base percentage adjustment, fund performance not within benchmark index			0.25%		0.25%
Minimum performance to designated benchmark over prior rolling twelve months, percent			5.00%		5.00%
Increase (Decrease) in Base Advisry Fees Realized			$ (168,000)	(183,000)
Aggregate Fees Waived and Expenses Borne			378,000	277,000
Minimum yield waivers recoverable through 12/31/15			510,000
Minimum yield waivers recoverable through 12/31/16			498,000
Administrative services fees, per fund	$ 7,000	$ 10,000
Receivables			$ 654,000		$ 654,000	$ 1,837,000
itary Management Fee, Percentage of Average Net Assets					0.60%
Investor Class Shares [Member]
INVESTMENT MANAGEMENT, TRANSFER AGENT AND OTHER FEES (Details) [Line Items]
Previous administrative fee rate		0.08%
Administrative fee rate		0.10%
Institutional Class Shares [Member]
INVESTMENT MANAGEMENT, TRANSFER AGENT AND OTHER FEES (Details) [Line Items]
Previous administrative fee rate		0.06%
Administrative fee rate		0.08%
Offshore Fund [Member] | Investment Advisory Services [Member]
INVESTMENT MANAGEMENT, TRANSFER AGENT AND OTHER FEES (Details) [Line Items]
Number of offshore clients company provides advisory services for			2		2
U.S. Global Investors Funds [Member]
INVESTMENT MANAGEMENT, TRANSFER AGENT AND OTHER FEES (Details) [Line Items]
Advisory fees			$ 885,000	1,900,000
Investment Distribution Fee, Annual Rate, Percentage			0.25%
U. S. Global Jets EFT [Member]
INVESTMENT MANAGEMENT, TRANSFER AGENT AND OTHER FEES (Details) [Line Items]
Advisory fees					$ 70,000
Offshore Clients [Member]
INVESTMENT MANAGEMENT, TRANSFER AGENT AND OTHER FEES (Details) [Line Items]
Advisory fees			$ 22,000	47,000
Accounts Receivable [Member] | U.S. Global Investors Funds [Member]
INVESTMENT MANAGEMENT, TRANSFER AGENT AND OTHER FEES (Details) [Line Items]
Receivables			563,000		$ 563,000
Galileo Global Equity Advisors Inc. [Member]
INVESTMENT MANAGEMENT, TRANSFER AGENT AND OTHER FEES (Details) [Line Items]
Advisory fees			$ 330,000	$ 662,000

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Previous annual administrative fee rate.

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Increase (decrease) in base advisory fees realized.

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Base percentage adjustment when fund performance is not within limits to benchmark index.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 942



-SubTopic 225



-Section S99



-Paragraph 1



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Reference 1: http://www.xbrl.org/2003/role/presentationRef



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