Liabilities / Assets
60th percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 20-0141248 • 501(c)3 • Newmarket, NH
Profile
ISC is dedicated to supporting the infrastructure of the universal connected self-organizing Internet -and the autonomy of its participants- by developing and maintaining core production quality software, protocols, and operations.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
60th percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
62nd percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
15th percentile
Higher net margin than 15% of similar nonprofits.
Top Officer Pay
100th percentile
Higher top officer pay than 100% of similar nonprofits.
Top officer pay equals 1861.2% of source-year revenue.
Asset Growth
41st percentile
Faster asset growth than 41% of similar nonprofits.
Revenue Growth
24th percentile
Faster revenue growth than 24% of similar nonprofits.
Assets
Down$132,218
Down $12,961 (-8.9%) from 2023
Liabilities
Flat$0
Flat from 2023
Net Assets
Down$132,218
Down $12,961 (-8.9%) from 2023
Revenue
Down$27,409
Down $15,082 (-35%) from 2023
Expenses
Down$40,370
Down $721,680 (-95%) from 2023
Net Income
Up-$12,961
Up $706,598 (+98%) from 2023
Most recent year
2024 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
To develop and maintain commercial quality open-source software. As a public benefit corporation, isc is dedicated to supporting the internet community with software essential to its infrastructure.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Cash and Non-Interest-Bearing Accounts | $145,175 | $132,214 | ▼ $12,961 |
| Intangible Assets | $4 | $4 | → $0 |
| Land, Buildings, and Equipment, Net | $0 | $0 | → $0 |
| Total Assets | $145,179 | $132,218 | ▼ $12,961 |
| Liabilities | |||
| Total Liabilities | $0 | $0 | → $0 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $145,179 | $132,218 | ▼ $12,961 |
| Total Net Assets Fund Balance | $145,179 | $132,218 | ▼ $12,961 |
| Total Liabilities and Net Assets / Fund Balance | $145,179 | $132,218 | ▼ $12,961 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Equipment | $0 | $1,739,371 | $1,739,371 |
| Name | Title |
|---|---|
| Jeff Osborn | President |
| Dave Farber | Director |
| Fred Baker | Director |
| Stephen Wolff | Director |
| Richard L Adams Jr | Treasurer |
| Line Item | Amount |
|---|---|
| Other Expenses | $40,370 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Fees for Services Management | - | $36,000 | - | $36,000 |
| Fees for Services Other | - | $2,000 | - | $2,000 |
| Fees for Services Accounting | - | $1,995 | - | $1,995 |
| Other Expenses | - | $375 | - | $375 |
| Total Functional Expenses | $0 | $40,370 | $0 | $40,370 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“Form 990 was prepared by an outside cpa firm (paid preparer). The form is then reviewed by the organization's managment, a member of the board of directors and the president. After full review with modifications where necessary, the final version of the tax return is provided to the organization's board of directors. The president signs the return. The return will then be e-filed by the paid preparer.”
“Members of the board of directors review all potential conflicts of interest at least annually. All personnel and board members are required to disclose in writing potential conflicts and any related party affiliations. Loans between the organization and members of mgmnt 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 acccordance with the organization's policies and procedures.”
“Tax returns are posted annually to guidestar.org where they are available for viewing as electornic copies and are also available for physical inspection at the organization's office in newmarket, nh.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | TO DEVELOP AND MAINTAIN COMMERCIAL QUALITY OPEN-SOURCE SOFTWARE. AS A PUBLIC BENEFIT CORPORATION, ISC IS DEDICATED TO SUPPORTING THE INTERNET COMMUNITY WITH SOFTWARE ESSENTIAL TO ITS INFRASTRUCTURE. |
| IRS990/AllOtherContributionsAmt | 0 | 26182 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | JACOB D'ERASMO |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6504231300 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 60 EXETER ROAD SUITE 104 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | NEWMARKET |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NH |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 03857 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 145175 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 132214 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 0 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 26182 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 1227 |
| IRS990/CYOtherExpensesAmt | 0 | 40370 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -12961 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 40370 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 27409 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/Desc | 0 | ISC RECEIVES UNSOLICIATED DONATIONS TO SUPPORT COMMERCIAL QUALITY OPEN SOURCE SOFTWARE FOR THE INTERNET COMMUNITY. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 1995 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 1995 |
| IRS990/FeesForServicesManagementGrp/ManagementAndGeneralAmt | 0 | 36000 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 36000 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 2000 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 2000 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 4.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 4.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 4.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 4.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 4.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 37399 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | RICHARD L ADAMS JR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | FRED BAKER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | DAVE FARBER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | STEPHEN WOLFF |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | JEFF OSBORN |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 472746 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | PRESIDENT |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 2003 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedInd | 0 | 0 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 4 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 27409 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 4 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 4 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 4 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 1227 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 1227 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 1739371 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 0 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 1739371 |
| IRS990/LegalDomicileStateCd | 0 | DE |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | TO DEVELOP AND MAINTAIN COMMERCIAL QUALITY OPEN-SOURCE SOFTWARE. AS A PUBLIC BENEFIT CORPORATION, ISC IS DEDICATED TO SUPPORTING THE INTERNET COMMUNITY WITH SOFTWARE ESSENTIAL TO ITS INFRASTRUCTURE. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 145179 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 132218 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 145179 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 132218 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/Desc | 0 | BANK FEES |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 375 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 375 |
| IRS990/OtherWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrincipalOfficerNm | 0 | JEFFREY OSBORN |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 33342 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 9149 |
| IRS990/PYOtherExpensesAmt | 0 | 762050 |
| IRS990/PYOtherRevenueAmt | 0 | 0 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -719559 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/PYTotalExpensesAmt | 0 | 762050 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 42491 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -12961 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 1 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 1 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 1227 |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt | 0 | SALE OF DONATED IP ADDRESSES - 2021 AMOUNT: $ 204,800. |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc | 0 | SCHEDULE A, PART II, LINE 10, EXPLANATION OF OTHER INCOME: |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 26182 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 33342 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 131193 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 141214 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 53747 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 385678 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 204800 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 204800 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.65320 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.72220 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 385678 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 26182 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 33342 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 131193 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 141214 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 53747 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 385678 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 590478 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | 1 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 0 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 1739371 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 1739371 |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 0 |
| IRS990ScheduleJ/AnyNonFixedPaymentsInd | 0 | 0 |
| IRS990ScheduleJ/CompBasedOnRevenueOfFlngOrgInd | 0 | 0 |
| IRS990ScheduleJ/CompBsdNetEarnsFlngOrgInd | 0 | 0 |
| IRS990ScheduleJ/CompBsdNetEarnsRltdOrgsInd | 0 | 0 |
| IRS990ScheduleJ/CompBsdOnRevRelatedOrgsInd | 0 | 0 |
| IRS990ScheduleJ/EquityBasedCompArrngmInd | 0 | 0 |
| IRS990ScheduleJ/InitialContractExceptionInd | 0 | 0 |
| IRS990/ScheduleJRequiredInd | 0 | 1 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 0 | 75000 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 0 | 397746 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990FilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990RltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompensationFlngOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompRltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsFilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsRltdOrgsAmt | 0 | 37399 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationFilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationRltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/PersonNm | 0 | JEFF OSBORN |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TitleTxt | 0 | PRESIDENT |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationFilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationRltdOrgsAmt | 0 | 510145 |
| IRS990ScheduleJ/SeverancePaymentInd | 0 | 0 |
| IRS990ScheduleJ/SupplementalInformationDetail/ExplanationTxt | 0 | THE COMPENSATION FROM THE RELATED ENTITY WAS DETERMINED BY THE BOARD OF THE RELATED ENTITY. |
| IRS990ScheduleJ/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART I, LINE 3 |
| IRS990ScheduleJ/SupplementalNonqualRtrPlanInd | 0 | 0 |
| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | FORM 990 WAS PREPARED BY AN OUTSIDE CPA FIRM (PAID PREPARER). THE FORM IS THEN REVIEWED BY THE ORGANIZATION'S MANAGMENT, A MEMBER OF THE BOARD OF DIRECTORS AND THE PRESIDENT. AFTER FULL REVIEW WITH MODIFICATIONS WHERE NECESSARY, THE FINAL VERSION OF THE TAX RETURN IS PROVIDED TO THE ORGANIZATION'S BOARD OF DIRECTORS. THE PRESIDENT SIGNS THE RETURN. THE RETURN WILL THEN BE E-FILED BY THE PAID PREPARER. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | MEMBERS OF THE BOARD OF DIRECTORS REVIEW ALL POTENTIAL CONFLICTS OF INTEREST AT LEAST ANNUALLY. ALL PERSONNEL AND BOARD MEMBERS ARE REQUIRED TO DISCLOSE IN WRITING POTENTIAL CONFLICTS AND ANY RELATED PARTY AFFILIATIONS. LOANS BETWEEN THE ORGANIZATION AND MEMBERS OF MGMNT 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 ACCCORDANCE WITH THE ORGANIZATION'S POLICIES AND PROCEDURES. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | TAX RETURNS ARE POSTED ANNUALLY TO GUIDESTAR.ORG WHERE THEY ARE AVAILABLE FOR VIEWING AS ELECTORNIC COPIES AND ARE ALSO AVAILABLE FOR PHYSICAL INSPECTION AT THE ORGANIZATION'S OFFICE IN NEWMARKET, NH. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PART VI, SECTION B, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION B, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART VI, SECTION C, LINE 19 |
| IRS990ScheduleR/AssetExchangeInd | 0 | 0 |
| IRS990ScheduleR/AssetPurchaseFromOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/AssetSaleToOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/DivRelatedOrganizationInd | 0 | 0 |
| IRS990ScheduleR/GiftGrntCapContriFromOthOrgInd | 0 | 0 |
| IRS990ScheduleR/GiftGrntOrCapContriToOthOrgInd | 0 | 0 |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ControlledOrganizationInd | 0 | 1 |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingEntityName/BusinessNameLine1Txt | 0 | INTERNET SYSTEMS CONSORTIUM INC |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/EIN | 0 | 204196785 |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/EntityTypeTxt | 0 | C |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/LegalDomicileStateCd | 0 | DE |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/OwnershipPct | 0 | 1.00000 |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/PrimaryActivitiesTxt | 0 | SOFTWARE DEVELOPMENT & TRAINING |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 0 | INTERNET SYSTEMS CORPORATION |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ShareOfEOYAssetsAmt | 0 | 3386383 |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/ShareOfTotalIncomeAmt | 0 | 7747915 |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/USAddress/AddressLine1Txt | 0 | 60 EXETER RD STE 104 |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/USAddress/CityNm | 0 | NEWMARKET |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/USAddress/StateAbbreviationCd | 0 | NH |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/USAddress/ZIPCd | 0 | 03857 |
| IRS990ScheduleR/LoansOrGuaranteesFromOthOrgInd | 0 | 0 |
| IRS990ScheduleR/LoansOrGuaranteesToOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/PaidEmployeesSharingInd | 0 | 0 |
| IRS990ScheduleR/PerformOfServicesByOtherOrgInd | 0 | 1 |
| IRS990ScheduleR/PerformOfServicesForOthOrgInd | 0 | 0 |
| IRS990ScheduleR/ReceiptOfIntAnntsRntsRyltsInd | 0 | 0 |
| IRS990ScheduleR/ReimbursementPaidByOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/ReimbursementPaidToOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/RentalOfFacilitiesToOthOrgInd | 0 | 0 |
| IRS990ScheduleR/RentalOfFcltsFromOthOrgInd | 0 | 0 |
| IRS990ScheduleR/SharingOfFacilitiesInd | 0 | 0 |
| IRS990ScheduleR/TransactionsRelatedOrgGrp/InvolvedAmt | 0 | 36000 |
| IRS990ScheduleR/TransactionsRelatedOrgGrp/MethodOfAmountDeterminationTxt | 0 | CASH TRANSACTION |
| IRS990ScheduleR/TransactionsRelatedOrgGrp/OtherOrganizationName/BusinessNameLine1Txt | 0 | INTERNET SYSTEMS CORPORATION |
| IRS990ScheduleR/TransactionsRelatedOrgGrp/TransactionTypeTxt | 0 | M |
| IRS990ScheduleR/TransferFromOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/TransferToOtherOrgInd | 0 | 0 |
| IRS990/SchoolOperatingInd | 0 | 0 |
| IRS990/SignificantChangeInd | 0 | 0 |
| IRS990/SignificantNewProgramSrvcInd | 0 | 0 |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | NH |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | 0 |
| IRS990/SubjectToProxyTaxInd | 0 | 0 |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | 0 |
| IRS990/TaxablePartyNotificationInd | 0 | 0 |
| IRS990/TaxExemptBondsInd | 0 | 0 |
| IRS990/TerminateOperationsInd | 0 | 0 |
| IRS990/TotalAssetsBOYAmt | 0 | 145179 |
| IRS990/TotalAssetsEOYAmt | 0 | 132218 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 145179 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 132218 |
| IRS990/TotalCompGreaterThan150KInd | 0 | 1 |
| IRS990/TotalContributionsAmt | 0 | 26182 |
| IRS990/TotalEmployeeCnt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 40370 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 40370 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 145179 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 132218 |
| IRS990/TotalOtherCompensationAmt | 0 | 37399 |
| IRS990/TotalReportableCompFromOrgAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 1227 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 27409 |
| IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/TotalVolunteersCnt | 0 | 0 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 145179 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 132218 |
| IRS990/TotReportableCompRltdOrgAmt | 0 | 472746 |
| IRS990/TransactionWithControlEntInd | 0 | 0 |
| IRS990/TrnsfrExmptNonChrtblRltdOrgInd | 0 | 0 |
| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | 0 |
| IRS990/USAddress/AddressLine1Txt | 0 | 60 EXETER ROAD 104 |
| IRS990/USAddress/CityNm | 0 | NEWMARKET |
| IRS990/USAddress/StateAbbreviationCd | 0 | NH |
| IRS990/USAddress/ZIPCd | 0 | 03857 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 4 |
| IRS990/VotingMembersIndependentCnt | 0 | 4 |
| IRS990/WebsiteAddressTxt | 0 | WWW.ISC.ORG |
| IRS990/WhistleblowerPolicyInd | 0 | 1 |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | 1 |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | JEFFREY OSBORN |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | PRESIDENT |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 6504231300 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-09-03 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | INTERNET SYSTEMS CONSORTIUM INC |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | INTE |
| ReturnHeader/Filer/EIN | 0 | 200141248 |
| ReturnHeader/Filer/PhoneNum | 0 | 6034231300 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 60 EXETER ROAD 104 |
| ReturnHeader/Filer/USAddress/CityNm | 0 | NEWMARKET |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | NH |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 03857 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | 1 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 020417217 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | LEONE MCDONNELL & ROBERTS PA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 273 LOCUST STREET SUITE 207 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | DOVER |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | NH |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 03820 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 6037492700 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2025-09-03 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | JASON GASKELL CPA |
| ReturnHeader/ReturnTs | 0 | 2025-09-22T13:11:53-05:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2024-12-31 |
| ReturnHeader/TaxYr | 0 | 2024 |
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