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FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) - USD ($) |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 01, 2014 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2014
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net operating revenues |  | $ 1,636,000 | $ 1,330,000 | $ 1,289,000 | $ 1,250,000 | $ 1,458,000 | $ 1,389,000 | $ 1,858,000 | $ 2,628,000 | $ 5,505,000 | $ 7,333,000 | $ 8,534,000
Investment Management Services [Member] |  |  |  |  |  |  |  |  |  |  |  |
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net operating revenues |  |  |  |  |  |  |  |  |  | 4,341,000 | 5,326,000 | 8,300,000
Investment Management Services - Canada [Member] |  |  |  |  |  |  |  |  |  |  |  |
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net operating revenues |  |  |  |  |  |  |  |  |  | 1,164,000 | 2,007,000 | 234,000
U.S. Global Investors Funds [Member] | Investment Management Services [Member] |  |  |  |  |  |  |  |  |  |  |  |
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net operating revenues |  |  |  |  |  |  |  |  |  | 4,000,000 | 5,200,000 | 8,100,000
Galileo Funds [Member] | Investment Management Services - Canada [Member] |  |  |  |  |  |  |  |  |  |  |  |
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net operating revenues |  |  |  |  |  |  |  |  |  | 900,000 | 1,600,000 | 184,000
Other advisory clients [Member] | Investment Management Services - Canada [Member] |  |  |  |  |  |  |  |  |  |  |  |
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net operating revenues |  |  |  |  |  |  |  |  |  | 254,000 | 354,000 | 48,000
Discontinued Operations [Member] | U.S. Global Investors Funds [Member] | Investment Management Services [Member] |  |  |  |  |  |  |  |  |  |  |  |
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net operating revenues |  |  |  |  |  |  |  |  |  | $ 608,000 | $ 2,000,000 | $ 3,400,000
Galileo [Member] |  |  |  |  |  |  |  |  |  |  |  |
FINANCIAL INFORMATION BY BUSINESS SEGMENT (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of shares issued and outstanding of Galileo | 65.00% |  |  |  |  |  |  |  |  | 65.00% |  |

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