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DISCONTINUED OPERATIONS (Details)	5 Months Ended
	Dec. 09, 2015
Discontinued Operations and Disposal Groups [Abstract]
Investment Distribution Fee, Annual Rate, Percentage	0.25%

X

- Definition

The annual rate investment distribution fee received, as a percentage, of the average daily net assets of the investor class of each of the equity funds.

+ References

No definition available.

+ Details

Name:	grow_InvestmentDistributionFeeAnnualRatePercentage
Namespace Prefix:	grow_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration