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Investments (Tables) | 12 Months Ended
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Jun. 30, 2013
Investments All Other Investments [Abstract] |
Investment Activity | The following table summarizes investment activity over the last three fiscal years:
|  | Year Ended June 30, |
|  | 2013 |  |  | 2012 |  |  | 2011 |
Realized losses on sale of trading securities |  | $ | (244,627) |  |  | $ | (2,638) |  |  | $ | - |
Trading securities, at cost |  |  | 5,457,989 |  |  |  | 5,960,634 |  |  |  | 5,963,272 |
Trading securities, at fair value ¹ |  |  | 4,758,220 |  |  |  | 5,216,139 |  |  |  | 5,703,916 |
Net change in unrealized gains (losses) on trading securities (included in earnings) |  |  | 44,728 |  |  |  | (485,139) |  |  |  | 631,192 |
Available-for-sale securities, at cost |  |  | 8,064,902 |  |  |  | 8,117,844 |  |  |  | 3,081,439 |
Available-for-sale securities, at fair value ¹ |  |  | 9,053,111 |  |  |  | 8,824,311 |  |  |  | 4,660,928 |
Gross realized gains on sale of available-for-sale securities |  |  | 265,641 |  |  |  | 179,379 |  |  |  | 139,458 |
Gross unrealized gains recorded in shareholders’ equity |  |  | 1,289,689 |  |  |  | 951,631 |  |  |  | 1,596,949 |
Gross unrealized losses recorded in shareholders’ equity |  |  | (301,480) |  |  |  | (245,164) |  |  |  | (17,460) |
Losses on available-for-sale securities deemed to have other-than-temporary declines in value |  |  | (47,459) |  |  |  | (19,073) |  |  |  | (3,699) |
| ¹ | These categories of securities are comprised primarily of equity investments, including those investments discussed in Note 17 regarding related party transactions.
Investment Income (Loss) Reflected in Earnings | The following summarizes investment income (loss) reflected in earnings for the periods discussed:
Investment Income (Loss) |  | Year Ended June 30, |
| 2013 |  |  | 2012 |  |  | 2011 |
Realized losses on sales of trading securities |  | $ | (244,627) |  |  | $ | (2,638) |  |  | $ | - |
Realized gains on sales of available-for-sale securities |  |  | 265,641 |  |  |  | 179,379 |  |  |  | 139,458 |
Unrealized gains (losses) on trading securities |  |  | 44,728 |  |  |  | (485,139) |  |  |  | 631,192 |
Realized foreign currency gains (losses) |  |  | 1,255 |  |  |  | (1,583) |  |  |  | 3,013 |
Other-than-temporary declines in available-for-sale securities |  |  | (47,459) |  |  |  | (19,073) |  |  |  | (3,699) |
Dividend and interest income |  |  | 188,501 |  |  |  | 152,093 |  |  |  | 238,604 |
Total Investment Income (Loss) |  | $ | 208,039 |  |  | $ | (176,961) |  |  | $ | 1,008,568 |
Components of Company's Available-for-Sale Investments | The following tables summarize equity investments that are in an unrealized loss position at each balance sheet date, categorized by how long they have been in a continuous loss position.
|  | June 30, 2013 (in thousands) |
|  | Less Than 12 Months |  |  | 12 Months or Greater |  |  | Total |
|  | Fair Value |  |  | Gross Unrealized Losses |  |  | Fair Value |  |  | Gross Unrealized Losses |  |  | Fair Value |  |  | Gross Unrealized Losses |
Available-for-sale securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock |  | $ | 95 |  |  | $ | (5) |  |  | $ | - |  |  | $ | - |  |  | $ | 95 |  |  | $ | (5) |
Venture capital investments |  |  | 163 |  |  |  | (5) |  |  |  | - |  |  |  | - |  |  |  | 163 |  |  |  | (5) |
Offshore fund |  |  | - |  |  |  | - |  |  |  | 4,712 |  |  |  | (288) |  |  |  | 4,712 |  |  |  | (288) |
Mutual funds |  |  | 3 |  |  |  | (3) |  |  |  | - |  |  |  | - |  |  |  | 3 |  |  |  | (3) |
Total available-for-sale securities |  | $ | 261 |  |  | $ | (13) |  |  | $ | 4,712 |  |  | $ | (288) |  |  | $ | 4,973 |  |  | $ | (301) |
|  | June 30, 2012 (in thousands) |
|  | Less Than 12 Months |  |  | 12 Months or Greater |  |  | Total |
|  | Fair Value |  |  | Gross Unrealized Losses |  |  | Fair Value |  |  | Gross Unrealized Losses |  |  | Fair Value |  |  | Gross Unrealized Losses |
Available-for-sale securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock |  | $ | 135 |  |  | $ | (52) |  |  | $ | - |  |  | $ | - |  |  | $ | 135 |  |  | $ | (52) |
Offshore fund |  |  | 4,811 |  |  |  | (189) |  |  |  | - |  |  |  | - |  |  |  | 4,811 |  |  |  | (189) |
Mutual funds |  |  | 16 |  |  |  | (4) |  |  |  | - |  |  |  | - |  |  |  | 16 |  |  |  | (4) |
Total available-for-sale securities |  | $ | 4,962 |  |  | $ | (245) |  |  | $ | - |  |  | $ | - |  |  | $ | 4,962 |  |  | $ | (245) |
Fair Value Measurements on Recurring Basis | The following tables present fair value measurements, as of each balance sheet date, for the three major categories of U.S. Global’s investments measured at fair value on a recurring basis:
|  | Fair Value Measurement using (in thousands) |
|  | June 30, 2013 |
|  | Quoted Prices (Level 1) |  |  | Significant Other Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |  |  | Total |
Trading securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock |  | $ | 22 |  |  | $ | - |  |  | $ | - |  |  | $ | 22 |
Mutual funds |  |  | 3,950 |  |  |  | - |  |  |  | - |  |  |  | 3,950 |
Offshore fund |  |  | - |  |  |  | 786 |  |  |  | - |  |  |  | 786 |
Total trading securities |  |  | 3,972 |  |  |  | 786 |  |  |  | - |  |  |  | 4,758 |
Available-for-sale securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock |  |  | 1,299 |  |  |  | - |  |  |  | 95 |  |  |  | 1,394 |
Venture capital investments |  |  | - |  |  |  | - |  |  |  | 163 |  |  |  | 163 |
Mutual funds |  |  | 2,784 |  |  |  | - |  |  |  | - |  |  |  | 2,784 |
Offshore fund |  |  | - |  |  |  | 4,712 |  |  |  | - |  |  |  | 4,712 |
Total available-for-sale securities |  |  | 4,083 |  |  |  | 4,712 |  |  |  | 258 |  |  |  | 9,053 |
Total Investments |  | $ | 8,055 |  |  | $ | 5,498 |  |  | $ | 258 |  |  | $ | 13,811 |
|  | Fair Value Measurement using (in thousands) |
|  | June 30, 2012 |
|  | Quoted Prices (Level 1) |  |  | Significant Other Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |  |  | Total |
Trading securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock |  | $ | 185 |  |  | $ | 26 |  |  | $ | - |  |  | $ | 211 |
Mutual funds |  |  | 3,980 |  |  |  | - |  |  |  | - |  |  |  | 3,980 |
Offshore fund |  |  | - |  |  |  | 1,025 |  |  |  | - |  |  |  | 1,025 |
Total trading securities |  |  | 4,165 |  |  |  | 1,051 |  |  |  | - |  |  |  | 5,216 |
Available-for-sale securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock |  |  | 1,228 |  |  |  | - |  |  |  | - |  |  |  | 1,228 |
Venture capital investments |  |  | - |  |  |  | - |  |  |  | 168 |  |  |  | 168 |
Mutual funds |  |  | 2,617 |  |  |  | - |  |  |  | - |  |  |  | 2,617 |
Offshore fund |  |  | - |  |  |  | 4,811 |  |  |  | - |  |  |  | 4,811 |
Total available-for-sale securities |  |  | 3,845 |  |  |  | 4,811 |  |  |  | 168 |  |  |  | 8,824 |
Total Investments |  | $ | 8,010 |  |  | $ | 5,862 |  |  | $ | 168 |  |  | $ | 14,040 |
Summary of Investments Measured at Fair Value on Recurring Basis | The following table presents additional information about investments measured at fair value on a recurring basis and for which the Company has utilized unobservable inputs to determine fair value:
Changes in Level 3 Assets Measured at Fair Value on a Recurring Basis |
|  | Year Ended June 30, |
|  | 2013 |  |  | 2012 |
(Dollars in Thousands) |  | Venture Capital Investments |  |  | Common Stock |  |  | Venture Capital Investments |  |  | Common Stock |
Beginning Balance |  | $ | 168 |  |  | $ | - |  |  | $ | 243 |  |  | $ | - |
Return of capital |  |  | - |  |  |  | - |  |  |  | (19 | ) |  |  | - |
Total gains or losses (realized/unrealized) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Included in earnings (investment income) |  |  | - |  |  |  | - |  |  |  | 160 |  |  |  | - |
Included in other comprehensive income |  |  | (5 | ) |  |  | - |  |  |  | (108 | ) |  |  | - |
Purchases, sales, issuances, and settlements |  |  | - |  |  |  | 95 |  |  |  | (108 | ) |  |  | - |
Transfers in and/or out of Level 3 |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Ending Balance |  | $ | 163 |  |  | $ | 95 |  |  | $ | 168 |  |  | $ | - |

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- Definition Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 03-1 -Paragraph 21 -Subparagraph a, b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27337-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27198-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27161-111563 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27357-111563 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27290-111563 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 19, 20, 21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 17 -Subparagraph a, b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15 -Subparagraph b-d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 18 -Subparagraph c(2), d, e, f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph a, c(1), c(2), c(3), d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13467-108611 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13476-108611 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 14 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6447952&loc=d3e13220-108610 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 19 -Subparagraph a, b, c(1), d(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26626-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27232-111563 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2,12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27161-111563 + Details
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