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      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b: Form 990 Review Process</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS PREPARED BY AN OUTSIDE TAX PROFESSIONAL. THE FORM IS THEN REVIEWED BYTHE MANAGEMENT TEAM AND THE BOARD OF DIRECTORS. AFTER A FULL REVIEW, THE FINAL VERSION OF THE TAX RETURN IS PROVIDED TO ALL MEMBERS OF THE ORGANIZATION'S VOTING BODY. A REPRESENTATIVE OF MANAGEMENT AUTHORIZES THE FINAL FORM 990 WHICH IS THEN E-FILED WITH THE INTERNAL REVENUE SERVICE.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 12c: Explanation of Monitoring and Enforcement of Conflicts</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS OF THE BOARD OF DIRECTORS REVIEW ALL POTENTIAL CONFLICTS OF INTEREST AT LEAST ANNUALLY. THE EXECUTIVE DIRECTOR AND ALL BOARD MEMBERS ARE REQUIRED TO DISCLOSE (IN WRITING) POTENTIAL CONFLICTS AND ANY RELATED PARTY AFFILIATIONS. LOANS BETWEEN THE ORGANIZATION AND MEMBERS OF MANAGEMENT AND THE BOARD ARE STRICTLY PROHIBITED. THE ORGANIZATION SEEKS FULL TRANSPARENCY ON ALL RELATIONSHIPS. ANY POTENTIAL CONFLICTS (IN FACT OR APPEARANCE) ARE DISCUSSED OPENLY AND RESOLVED IN ACCORDANCE WITH THE ORGANIZATION'S POLICIES AND PROCEDURES.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15a: Compensation Review &amp; Approval Process - CEO, Top Management</FormAndLineReferenceDesc>
        <ExplanationTxt>It is the policy of Topos Institute that the Board of Directors (or a Board Committee) shall review any compensation packages (including all benefits) of the President or the chief executive officer, regardless of job title, and shall approve such compensation only after determining that the compensation is just and reasonable.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15b: Compensation Review and Approval Process for Officers and Key Employees</FormAndLineReferenceDesc>
        <ExplanationTxt>On a periodic basis, Members of the Board of Directors review employees who are part of the top management group. Efforts are made to ensure compensation is commensurate with the duties and responsibilities of each individual and is consistent with compensation provided by other exempt organizations.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19: Other Organization Documents Publicly Available</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL OF THE ORGANIZATION'S GOVERNING DOCUMENTS, FINANCIAL STATEMENTS AND OTHER LEGALFILINGS ARE MAINTAINED IN A SECURE ENVIRONMENT AND HELD AVAILABLE FOR INSPECTION BYTAX AUTHORITIES AND THE GENERAL PUBLIC. TAX RETURNS ARE POSTED ANNUALLY TO THE ORGANIZATION'S WEBSITE AND TO WWW.GUIDESTAR.ORG (WHERE IT IS AVAILABLE FOR VIEWING AS AN ELECTRONIC COPY). COPIES OF ALL TAX FILINGS AND ARE ALSO MAINTAINED AT THE ORGANIZATION'S location in Berkeley, CALIFORNIA, and are available upon request.</ExplanationTxt>
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