<?xml version="1.0" encoding="utf-8"?>
<FilingSummary xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <Version>2.4.0.8</Version>
  <ProcessingTime />
  <ReportFormat>HtmlAndXml</ReportFormat>
  <ContextCount>61</ContextCount>
  <ElementCount>163</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>19</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>5</UnitCount>
  <MyReports>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>001 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <XmlFileName>R1.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>true</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>002 - Statement - CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/ConsolidatedBalanceSheets</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS</ShortName>
      <XmlFileName>R2.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>003 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/ConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS (Parenthetical)</ShortName>
      <XmlFileName>R3.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>004 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/ConsolidatedStatementsOfComprehensiveLoss</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS</ShortName>
      <XmlFileName>R4.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>005 - Statement - STATEMENTS OF CHANGES IN SHAREHOLDERS EQUITY (DEFICIENCY)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/StatementsOfChangesInShareholdersEquityDeficiency</Role>
      <ShortName>STATEMENTS OF CHANGES IN SHAREHOLDERS EQUITY (DEFICIENCY)</ShortName>
      <XmlFileName>R5.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>006 - Statement - STATEMENTS OF CHANGES IN SHAREHOLDERS EQUITY (DEFICIENCY) (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/StatementsOfChangesInShareholdersEquityDeficiencyParenthetical</Role>
      <ShortName>STATEMENTS OF CHANGES IN SHAREHOLDERS EQUITY (DEFICIENCY) (Parenthetical)</ShortName>
      <XmlFileName>R6.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>007 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/ConsolidatedStatementsOfCashFlows</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
      <XmlFileName>R7.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>101 - Disclosure - GENERAL</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/General</Role>
      <ShortName>GENERAL</ShortName>
      <XmlFileName>R8.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>102 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/SignificantAccountingPolicies</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES</ShortName>
      <XmlFileName>R9.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>103 - Disclosure - UNAUDITED INTERIM CONSOLIDATED FINANCIAL STATEMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/UnauditedInterimConsolidatedFinancialStatements</Role>
      <ShortName>UNAUDITED INTERIM CONSOLIDATED FINANCIAL STATEMENTS</ShortName>
      <XmlFileName>R10.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>104 - Disclosure - FAIR VALUE MEASUREMENT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/FairValueMeasurement</Role>
      <ShortName>FAIR VALUE MEASUREMENT</ShortName>
      <XmlFileName>R11.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>105 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/CommitmentsAndContingentLiabilities</Role>
      <ShortName>COMMITMENTS AND CONTINGENT LIABILITIES</ShortName>
      <XmlFileName>R12.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>106 - Disclosure - SHAREHOLDERS' EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/ShareholdersEquity</Role>
      <ShortName>SHAREHOLDERS' EQUITY</ShortName>
      <XmlFileName>R13.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>107 - Disclosure - FINANCIAL (INCOME) LOSS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/FinancialIncomeLoss</Role>
      <ShortName>FINANCIAL (INCOME) LOSS</ShortName>
      <XmlFileName>R14.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>108 - Disclosure - SUBSEQUENT EVENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/SubsequentEvents</Role>
      <ShortName>SUBSEQUENT EVENTS</ShortName>
      <XmlFileName>R15.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>304 - Disclosure - FAIR VALUE MEASUREMENTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/FairValueMeasurementsTables</Role>
      <ShortName>FAIR VALUE MEASUREMENTS (Tables)</ShortName>
      <XmlFileName>R16.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>305 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/CommitmentsAndContingentLiabilitiesTables</Role>
      <ShortName>COMMITMENTS AND CONTINGENT LIABILITIES (Tables)</ShortName>
      <XmlFileName>R17.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>307 - Disclosure - FINANCIAL (INCOME) LOSS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/FinancialIncomeLossTables</Role>
      <ShortName>FINANCIAL (INCOME) LOSS (Tables)</ShortName>
      <XmlFileName>R18.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>40101 - Disclosure - GENERAL (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/GeneralDetails</Role>
      <ShortName>GENERAL (Details)</ShortName>
      <XmlFileName>R19.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>40401 - Disclosure - FAIR VALUE MEASUREMENT (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/FairValueMeasurementDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENT (Details)</ShortName>
      <XmlFileName>R20.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>40501 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/CommitmentsAndContingentLiabilitiesNarrativeDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENT LIABILITIES (Narrative) (Details)</ShortName>
      <XmlFileName>R21.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>40502 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES (Aggregate Minimum Rental Commitments Under the Non-Cancelable Rent Agreements) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/CommitmentsAndContingentLiabilitiesAggregateMinimumRentalCommitmentsUnderNoncancelableRentAgreementsDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENT LIABILITIES (Aggregate Minimum Rental Commitments Under the Non-Cancelable Rent Agreements) (Details)</ShortName>
      <XmlFileName>R22.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>40601 - Disclosure - SHAREHOLDERS' EQUITY (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/ShareholdersEquityDetails</Role>
      <ShortName>SHAREHOLDERS' EQUITY (Details)</ShortName>
      <XmlFileName>R23.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>40701 - Disclosure - FINANCIAL (INCOME) LOSS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/FinancialIncomeLossDetails</Role>
      <ShortName>FINANCIAL (INCOME) LOSS (Details)</ShortName>
      <XmlFileName>R24.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>40801 - Disclosure - SUBSEQUENT EVENTS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.rosettagenomics.com/role/SubsequentEventsDetails</Role>
      <ShortName>SUBSEQUENT EVENTS (Details)</ShortName>
      <XmlFileName>R25.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Info">Process Flow-Through: 002 - Statement - CONSOLIDATED BALANCE SHEETS</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2011'</Log>
    <Log type="Info">Process Flow-Through: 003 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Aug. 05, 2013'</Log>
    <Log type="Info">Process Flow-Through: 004 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS</Log>
    <Log type="Info">	Process Flow-Through: Removing column '12 Months Ended
Dec. 31, 2012'</Log>
    <Log type="Info">Process Flow-Through: 006 - Statement - STATEMENTS OF CHANGES IN SHAREHOLDERS EQUITY (DEFICIENCY) (Parenthetical)</Log>
    <Log type="Info">	Process Flow-Through: Removing column '12 Months Ended
Dec. 31, 2012'</Log>
    <Log type="Info">Process Flow-Through: 007 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</Log>
  </Logs>
  <InputFiles>
    <File>rosg-20130630.xml</File>
    <File>rosg-20130630.xsd</File>
    <File>rosg-20130630_cal.xml</File>
    <File>rosg-20130630_def.xml</File>
    <File>rosg-20130630_lab.xml</File>
    <File>rosg-20130630_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
