ORGANIZATION	12 Months Ended
Jun. 30, 2017
Disclosure Text Block [Abstract]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	NOTE 1. ORGANIZATION U.S. Global Investors, Inc. (the “Company” or “U.S. Global”) serves as investment adviser to U.S. Global Investors Funds (“USGIF” or the “Fund(s)”), a Delaware statutory trust that is a no-load, open-end investment company offering shares in numerous mutual funds to the investing public. The Company also provides administrative services to USGIF. For these services, the Company receives fees from USGIF. It also provided distribution services to USGIF through December 9, 2015. For these services, the Company received fees from USGIF. Since December 9, 2015, the Company is reimbursed for certain distribution costs. The Company also provides advisory services to offshore clients and two SEC registered exchange traded funds (“ETFs”). The Company holds a controlling interest in Galileo Global Equity Advisors Inc. (“Galileo”), a privately held Toronto-based asset management firm. U.S. Global formed the following companies to provide transfer agent and distribution services to USGIF: United Shareholder Services, Inc. (“USSI”) and U.S. Global Brokerage, Inc. (“USGB”). USSI, which ceased operations in fiscal 2014, was legally dissolved in December 2015. USGB ceased operations in December 2015 as discussed in Note 17. The Company has the following subsidiaries utilized primarily for corporate investment purposes: U.S. Global Investors (Bermuda) Limited (“USBERM”), incorporated in Bermuda, and U.S. Global Investors (Canada) Limited (“USCAN”). The Company created U.S. Global Indices, LLC, a Texas limited liability company, of which the Company is the sole member, to provide indexing services to exchange-traded funds managed by the Company.

NOTE 1. ORGANIZATION

U.S. Global Investors, Inc. (the “Company” or “U.S. Global”) serves as investment adviser to U.S. Global Investors Funds (“USGIF” or the “Fund(s)”), a Delaware statutory trust that is a no-load, open-end investment company offering shares in numerous mutual funds to the investing public. The Company also provides administrative services to USGIF. For these services, the Company receives fees from USGIF. It also provided distribution services to USGIF through December 9, 2015. For these services, the Company received fees from USGIF. Since December 9, 2015, the Company is reimbursed for certain distribution costs. The Company also provides advisory services to offshore clients and two SEC registered exchange traded funds (“ETFs”). The Company holds a controlling interest in Galileo Global Equity Advisors Inc. (“Galileo”), a privately held Toronto-based asset management firm.

U.S. Global formed the following companies to provide transfer agent and distribution services to USGIF: United Shareholder Services, Inc. (“USSI”) and U.S. Global Brokerage, Inc. (“USGB”). USSI, which ceased operations in fiscal 2014, was legally dissolved in December 2015. USGB ceased operations in December 2015 as discussed in Note 17.

The Company has the following subsidiaries utilized primarily for corporate investment purposes: U.S. Global Investors (Bermuda) Limited (“USBERM”), incorporated in Bermuda, and U.S. Global Investors (Canada) Limited (“USCAN”). The Company created U.S. Global Indices, LLC, a Texas limited liability company, of which the Company is the sole member, to provide indexing services to exchange-traded funds managed by the Company.