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Organization, Nature of Business and Basis of Presentation (Details)	Jun. 30, 2021 item subsidiary
Organization, Nature of Business and Basis of Presentation
Number of subsidiaries | subsidiary	2
Number of service offerings | item	2

X

- Definition

The number of service offerings of the entity.

+ References

No definition available.

+ Details

Name:	rsss_NumberOfServiceOfferings
Namespace Prefix:	rsss_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of subsidiaries of the entity.

+ References

No definition available.

+ Details

Name:	rsss_NumberOfSubsidiaries
Namespace Prefix:	rsss_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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