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Organization, Nature of Business and Basis of Presentation (Details) | Dec. 31, 2021 item subsidiary
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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