XML 46 R37.htm IDEA: XBRL DOCUMENT
v3.8.0.1

INCOME TAXES (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Jan. 01, 2018 | Dec. 31, 2017 | Dec. 31, 2017 | Dec. 31, 2017 | Dec. 31, 2016 | Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent |  |  | 28.00% |  |  |  |  | 34.00%
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability |  |  |  | $ 1,400 |  |  |  |
Valuation allowance |  | $ 1,200 | $ 1,200 | 1,200 |  |  |  | $ 3,300
Deferred Income Tax Expense (Benefit) |  |  |  | 417 | $ 0 |  |  |
Domestic Tax Authority [Member] |  |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% | 35.00% |  |  |  |  |  |
Other Tax Expense (Benefit) |  |  | 17 |  |  |  |  |
Operating loss carryover |  | $ 4,900 | 4,900 | 4,900 |  |  |  |
Domestic Tax Authority [Member] | Charitable Contributions [Member] |  |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |  |
Charitable contribution carryovers |  | 155 | 155 | 155 |  |  |  |
Domestic Tax Authority [Member] | Charitable Contributions [Member] | Expiring in Fiscal Year 2018 [Member] |  |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |  |
Charitable contribution carryovers |  | 68 | 68 | 68 |  |  |  |
Domestic Tax Authority [Member] | Charitable Contributions [Member] | Expiring in Fiscal Year 2019 [Member] |  |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |  |
Charitable contribution carryovers |  | 34 | 34 | 34 |  |  |  |
Domestic Tax Authority [Member] | Charitable Contributions [Member] | Expiring in Fiscal Year 2020 [Member] |  |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |  |
Charitable contribution carryovers |  | 19 | 19 | 19 |  |  |  |
Domestic Tax Authority [Member] | Charitable Contributions [Member] | Expiring in Fiscal Year 2021 [Member] |  |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |  |
Charitable contribution carryovers |  | 5 | 5 | 5 |  |  |  |
Domestic Tax Authority [Member] | Charitable Contributions [Member] | Expiring In Fiscal Year 2022 [Member] |  |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |  |
Charitable contribution carryovers |  | 21 | 21 | 21 |  |  |  |
Domestic Tax Authority [Member] | Charitable Contributions [Member] | Expiring In Fiscal Year 2023 [Member] |  |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |  |
Charitable contribution carryovers |  | 8 | 8 | 8 |  |  |  |
Scenario, Forecast [Member] | Domestic Tax Authority [Member] |  |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent |  |  |  |  |  | 21.00% | 28.00% |
Expiring in Fiscal Year 2035 [Member] | Domestic Tax Authority [Member] |  |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |  |
Operating loss carryover |  | 2,000 | 2,000 | 2,000 |  |  |  |
Expiring in Fiscal Year 2036 [Member] | Domestic Tax Authority [Member] |  |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |  |
Operating loss carryover |  | 2,700 | 2,700 | 2,700 |  |  |  |
Expiring in Fiscal Year 2036 [Member] | Galileo [Member] | Foreign Tax Authority [Member] |  |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |  |
Operating loss carryover |  | 68 | 68 | 68 |  |  |  |
Expiring in Fiscal Year 2038 [Member] | Domestic Tax Authority [Member] |  |  |  |  |  |  |  |
INCOME TAXES (Details) [Line Items] |  |  |  |  |  |  |  |
Operating loss carryover |  | $ 161 | $ 161 | $ 161 |  |  |  |

X
- References No definition available. + Details
Name: | grow_INCOMETAXESDetailsLineItems
Namespace Prefix: | grow_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.7) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 + Details
Name: | us-gaap_DeferredIncomeTaxExpenseBenefit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
Name: | us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
Name: | us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 + Details
Name: | us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 + Details
Name: | us-gaap_OperatingLossCarryforwards
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of other income tax expense (benefit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32672-109319 + Details
Name: | us-gaap_OtherTaxExpenseBenefit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 + Details
Name: | us-gaap_TaxCreditCarryforwardAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxCreditCarryforwardAxis=grow_CharitableContributionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | grow_CharitableContributionCarryoversAxis=grow_ExpiringInFiscalYear2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | grow_CharitableContributionCarryoversAxis=grow_ExpiringInFiscalYear2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | grow_CharitableContributionCarryoversAxis=grow_ExpiringInFiscalYear2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | grow_CharitableContributionCarryoversAxis=grow_ExpiringInFiscalYear2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | grow_CharitableContributionCarryoversAxis=grow_ExpiringInFiscalYear2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | grow_CharitableContributionCarryoversAxis=grow_ExpiringInFiscalYear2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | grow_OperatingLossCarryoverAxis=grow_ExpiringInFiscalYear2035Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | grow_OperatingLossCarryoverAxis=grow_ExpiringInFiscalYear2036Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=grow_GalileoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_ForeignCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | grow_OperatingLossCarryoverAxis=grow_ExpiringInFiscalYear2038Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |