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INVESTMENT MANAGEMENT AND OTHER FEES (Details) |  |  | 5 Months Ended | 6 Months Ended | 7 Months Ended | 11 Months Ended | 12 Months Ended | 13 Months Ended | 23 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 27, 2013 | Nov. 30, 2013 | Dec. 09, 2015 | Dec. 31, 2013 | Jun. 30, 2016 | Oct. 31, 2014 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($) | Jun. 30, 2014 USD ($) | Dec. 09, 2015 USD ($) | Dec. 09, 2015
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Administrative services fees, per fund |  |  |  |  |  | $ 10,000 |  |  |  | $ 7,000 |
Advisory fees |  |  |  |  |  |  | $ 5,185,000 | $ 6,682,000 | $ 7,760,000 |  |
Number of funds liquidated | 1 | 1 |  |  |  |  |  |  |  |  |
Shareholder services fee, percentage of shares value in account |  |  | 0.20% |  |  |  |  |  |  |  |
Minimum yield waivers recoverable, recapture period |  |  |  |  |  |  | 3 years |  |  |  |
Minimum yield waivers recoverable through 12/31/16 |  |  |  |  |  |  | $ 498,000 |  |  |  |
Galileo [Member] |  |  |  |  |  |  |  |  |  |  |
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Advisory fees |  |  |  |  |  |  | $ 1,200,000 | 2,000,000 | 234,000 |  |
Investor Class Shares [Member] |  |  |  |  |  |  |  |  |  |  |
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Administrative fee rate |  |  |  | 0.08% | 0.05% |  |  |  |  |  | 0.10%
Institutional Class Shares [Member] |  |  |  |  |  |  |  |  |  |  |
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Administrative fee rate |  |  |  | 0.06% | 0.04% |  |  |  |  |  | 0.08%
U.S. Global Investors Funds [Member] |  |  |  |  |  |  |  |  |  |  |
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
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 |  |  |  |  |  |  | $ (132,000) | (1,000,000) | (815,000) |  |
Aggregate Fees Waived and Expenses Borne |  |  |  |  |  |  | $ 1,300,000 | 1,300,000 | 2,400,000 |  |
U. S. Global Jets EFT [Member] |  |  |  |  |  |  |  |  |  |  |
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Unitary Management Fee, Percentage of Average Net Assets |  |  |  |  |  |  | 0.60% |  |  |  |
Advisory fees |  |  |  |  |  |  | $ 296,000 | 26,000 |  |  |
Offshore Clients [Member] |  |  |  |  |  |  |  |  |  |  |
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Advisory fees |  |  |  |  |  |  | 91,000 | 130,000 | 190,000 |  |
Performance Fees |  |  |  |  |  |  | $ 0 | $ 0 | $ 4,000 |  |

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