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INVESTMENT MANAGEMENT AND OTHER FEES (Details) - USD ($) $ in Thousands	4 Months Ended	7 Months Ended	12 Months Ended			13 Months Ended
	Oct. 31, 2014	Jun. 30, 2015	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015	Dec. 09, 2015
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items]
Advisory fees			$ 6,479	$ 5,185	$ 6,682
Fund Clients [Member]
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items]
Receivables, Net, Current			396
Galileo [Member]
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items]
Advisory fees			$ 1,100	1,200	2,000
U.S. Global Investors Funds [Member]
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items]
Base percentage adjustment, fund performance not within benchmark index			0.25%
Minimum performance to designated benchmark over prior rolling twelve months, percent			5.00%
Increase (decrease) in base advisory fees realized			$ (49)	(132)	(1,000)
Aggregate Fees Waived and Expenses Borne			1,000	$ 1,300	1,300
Administrative services fees, per fund	$ 10					$ 7
U.S. Global Investors Funds [Member] | Investor Class Shares [Member]
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items]
Administrative fee rate	0.10%	0.05%		0.05%
U.S. Global Investors Funds [Member] | Institutional Class Shares [Member]
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items]
Administrative fee rate	0.08%	0.04%		0.04%
U.S. Global Investors Funds [Member] | Fund Clients [Member]
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items]
Receivables, Net, Current			$ 287
U.S. Global ETFs [Member]
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items]
Unitary Management Fee, Percentage of Average Net Assets			0.60%
Advisory fees			$ 357	$ 296	26
Offshore Clients [Member]
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items]
Advisory fees			$ 135	$ 91	$ 130

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Aggregate fees waived and expenses borne.

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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
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