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FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items]
Number of Operating Segments			3
Net Operating Revenues	$ 1,993	$ 1,642	$ 3,483	$ 3,623
Investment Management Services [Member]
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items]
Net Operating Revenues	1,242	1,339	2,514	3,020
Investment Management Services [Member] | U.S. Global Investors Funds [Member]
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items]
Net Operating Revenues	1,000	1,200	2,100	2,800
Investment Management Services [Member] | U.S. Global ETFs [Member]
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items]
Net Operating Revenues	184	76	369	142
Investment Management Services - Canada [Member]
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items]
Net Operating Revenues	751	303	969	603
Investment Management Services - Canada [Member] | Galileo Funds [Member]
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items]
Net Operating Revenues	$ 747	223	$ 961	448
Investment Management Services - Canada [Member] | Other advisory clients [Member]
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items]
Net Operating Revenues		$ 78		$ 148

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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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