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FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items]
Number of Operating Segments			3
Net Operating Revenues	$ 1,669	$ 1,330	$ 5,292	$ 3,869
Investment Management Services [Member]
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items]
Net Operating Revenues	1,384	1,075	4,405	2,990
Investment Management Services - Canada [Member]
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items]
Net Operating Revenues	285	255	887	879
U.S. Global Investors Funds [Member] | Investment Management Services [Member]
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items]
Net Operating Revenues	1,300	977	4,100	2,700
Galileo Funds [Member] | Investment Management Services - Canada [Member]
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items]
Net Operating Revenues	215	193	663	689
Other advisory clients [Member] | Investment Management Services - Canada [Member]
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items]
Net Operating Revenues	$ 66	$ 60	$ 214	183
Discontinued Operations [Member] | U.S. Global Investors Funds [Member] | Investment Management Services [Member]
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items]
Disposal Group, Including Discontinued Operation, Revenue				$ 608

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Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 5B
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721673-107760

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Amount of revenue from providing investment advisory, asset management and administrative services, including, but not limited to, distribution and shareholder services, accounting, tax, legal, regulatory filing, share registration, and shareholder correspondence activities.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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