XML 33 R24.htm IDEA: XBRL DOCUMENT v3.8.0.1

BASIS OF PRESENTATION (Details) - USD ($) $ in Millions	6 Months Ended
	Dec. 31, 2017	Jun. 30, 2017
BASIS OF PRESENTATION (Details) [Line Items]
Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets and Liabilities, Net	$ 8.9	$ 11.3
Galileo [Member]
BASIS OF PRESENTATION (Details) [Line Items]
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions	65.00%

X

- References

No definition available.

+ Details

Name:	grow_BASISOFPRESENTATIONDetailsLineItems
Namespace Prefix:	grow_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

+ References

No definition available.

+ Details

Name:	us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Net carrying amount of the assets and liabilities in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), when the reporting entity is not the VIE's primary beneficiary.

+ References

No definition available.

+ Details

Name:	us-gaap_VariableInterestEntityNonconsolidatedCarryingAmountAssetsAndLiabilitiesNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=grow_GalileoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: