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INVESTMENT MANAGEMENT AND OTHER FEES (Details) - Disaggregation of Revenue - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Revenues	$ 1,799	$ 1,993	$ 3,022	$ 3,483
Investment and Advisory Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,756	1,929	2,926	3,362
Administrative Service [Member]
Disaggregation of Revenue [Line Items]
Revenues	43	64	96	121
Investment Management Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	793	1,242	1,837	2,514
Investment Management Services - Canada [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,006	751	1,185	969
U.S. Global Investors Funds [Member] | Administrative Service [Member]
Disaggregation of Revenue [Line Items]
Revenues	43	64	96	121
U.S. Global Investors Funds [Member] | Base Advisory Fees [Member] | Investment and Advisory Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	773	1,184	1,684	2,329
U.S. Global Investors Funds [Member] | Investment Performance [Member] | Investment and Advisory Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	(176)	(192)	(262)	(308)
U.S. Global ETFs [Member] | Investment and Advisory Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	153	184	319	369
Offshore Clients [Member] | Investment and Advisory Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	2	0	3
Investment Management Services - Canada [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,006	751	1,185	969
Investment Management Services - Canada [Member] | Base Advisory Fees [Member] | Investment and Advisory Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	136	287	315	505
Investment Management Services - Canada [Member] | Investment Performance [Member] | Investment and Advisory Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 870	$ 464	$ 870	$ 464

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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-Topic 606
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-Paragraph 4
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