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INVESTMENT MANAGEMENT AND OTHER FEES (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		23 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 09, 2015
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items]
Advisory fees	$ 1,569	$ 1,197	$ 3,460	$ 2,336
Galileo [Member]
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items]
Advisory fees	303	293	603	623
Fund Clients [Member]
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items]
Receivables	516		516
U.S. Global Investors Funds [Member]
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items]
Advisory fees	$ 1,200	879	$ 2,600	1,800
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 advisory fees realized	$ (9)	(70)	$ 30	(238)
Aggregate Fees Waived and Expenses Borne	313	373	546	751
Administrative services fees, per fund					$ 7
U.S. Global Investors Funds [Member] | Fund Clients [Member]
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items]
Receivables	347		$ 347
U.S. Global Investors Funds [Member] | Investor Class Shares [Member]
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items]
Administrative fee rate			0.05%		0.10%
U.S. Global Investors Funds [Member] | Institutional Class Shares [Member]
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items]
Administrative fee rate			0.04%		0.08%
U. S. Global Jets EFT [Member]
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items]
Advisory fees	$ 76	73	$ 142	143
Unitary Management Fee, Percentage of Average Net Assets	0.60%		0.60%
Offshore Clients [Member]
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items]
Advisory fees	$ 32	22	$ 68	44
Performance Fees	$ 0	$ 0	$ 0	$ 0

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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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