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INVESTMENT MANAGEMENT AND OTHER FEES (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 23 Months Ended
--- | --- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Mar. 31, 2017 | Mar. 31, 2016 | Dec. 09, 2015
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items] |  |  |  |  |
Advisory fees | $ 1,604 | $ 1,279 | $ 5,064 | $ 3,615 |
Galileo [Member] |  |  |  |  |
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items] |  |  |  |  |
Advisory fees | 285 | 255 | 887 | 879 |
Fund Clients [Member] |  |  |  |  |
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items] |  |  |  |  |
Receivables | 626 |  | 626 |  |
U.S. Global Investors Funds [Member] |  |  |  |  |
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items] |  |  |  |  |
Advisory fees | $ 1,200 | 869 | $ 3,800 | 2,600 |
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 | $ (16) | 58 | $ 14 | (180) |
Aggregate Fees Waived and Expenses Borne | 218 | 311 | 764 | 1,100 |
Administrative services fees, per fund |  |  |  |  | $ 7
U.S. Global Investors Funds [Member] | Fund Clients [Member] |  |  |  |  |
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items] |  |  |  |  |
Receivables | 448 |  | $ 448 |  |
U.S. Global Investors Funds [Member] | Investor Class Shares [Member] |  |  |  |  |
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items] |  |  |  |  |
Administrative fee rate |  |  | 0.05% |  | 0.10%
U.S. Global Investors Funds [Member] | Institutional Class Shares [Member] |  |  |  |  |
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items] |  |  |  |  |
Administrative fee rate |  |  | 0.04% |  | 0.08%
U. S. Global Jets EFT [Member] |  |  |  |  |
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items] |  |  |  |  |
Advisory fees | $ 98 | 74 | $ 239 | 217 |
Unitary Management Fee, Percentage of Average Net Assets | 0.60% |  | 0.60% |  |
Offshore Clients [Member] |  |  |  |  |
INVESTMENT MANAGEMENT AND OTHER FEES (Details) [Line Items] |  |  |  |  |
Advisory fees | $ 34 | 22 | $ 102 | 66 |
Performance Fees | $ 0 | $ 0 | $ 0 | $ 0 |

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