Liabilities / Assets
69th percentile
Higher debt load relative to assets than 69% of similar nonprofits.
EIN 45-5167256 • 501(c)3 • Beverly Hills, CA
Profile
To inspire every surgeon to transform every patient's life. Neurosurgical atlas inspires neurosurgeons to push the boundaries of technical excellence and the art of surgery through innovation, revolutionizing the care of patients worldwide.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
69th percentile
Higher debt load relative to assets than 69% of similar nonprofits.
Liabilities / Revenue
87th percentile
Higher debt load relative to revenue than 87% of similar nonprofits.
Net Margin
6th percentile
Higher net margin than 6% of similar nonprofits.
Top Officer Pay
39th percentile
Higher top officer pay than 39% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
66th percentile
Faster asset growth than 66% of similar nonprofits.
Revenue Growth
96th percentile
Faster revenue growth than 96% of similar nonprofits.
Assets
Up$7,326,588
Up $719,219 (+11%) from 2023
Liabilities
Up$2,282,734
Up $1,404,613 (+160%) from 2023
Net Assets
Down$5,043,854
Down $685,394 (-12%) from 2023
Revenue
Up$1,672,206
Up $1,064,509 (+175%) from 2023
Expenses
Down$2,492,382
Down $161,537 (-6.1%) from 2023
Net Income
Up-$820,176
Up $1,226,046 (+60%) from 2023
Most recent year
2024 • Form 990Detailed filing. Detailed filing data is available for this year.
Operative videos and other multimedia resources to advance the knowledge of neurosurgical techniques around the world using web-base learning and methods for neurosurgeons.
The mission entails preparation of widely accessible web-based information.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $2,758,591 | $4,370,871 | ▲ $1,612,280 |
| Pledges and Grants Receivable | $2,283,520 | $1,783,520 | ▼ $500,000 |
| Intangible Assets | $962,678 | $660,268 | ▼ $302,410 |
| Accounts Receivable | $97,658 | $179,045 | ▲ $81,387 |
| Cash and Non-Interest-Bearing Accounts | $167,422 | $50,795 | ▼ $116,627 |
| Prepaid Expenses and Deferred Charges | $69,261 | $13,849 | ▼ $55,412 |
| Savings and Temporary Cash Investments | - | $0 | - |
| Other Notes and Loans Receivable, Net | - | $0 | - |
| Receivable From Disqualified Prsn | - | $0 | - |
| Receivables From Officers Etc | - | $0 | - |
| Investments Other Securities | - | $0 | - |
| Investments Program Related | - | $0 | - |
| Land, Buildings, and Equipment, Net | - | $0 | - |
| Inventories for Sale or Use | - | $0 | - |
| Total Assets | $6,607,372 | $7,326,588 | ▲ $719,216 |
| Other Assets Total | $268,242 | $268,240 | ▼ $2 |
| Liabilities | |||
| Other Liabilities | - | $2,000,000 | - |
| Deferred Revenue | $281,670 | $198,031 | ▼ $83,639 |
| Accounts Payable and Accrued Expenses | $596,451 | $84,703 | ▼ $511,748 |
| Total Liabilities | $878,121 | $2,282,734 | ▲ $1,404,613 |
| Net Assets / Fund Balance | |||
| Net Assets With Donor Restrictions | $6,076,656 | $6,828,508 | ▲ $751,852 |
| Net Assets Without Donor Restrictions | $-347,405 | $-1,784,654 | ▼ $1,437,249 |
| Total Net Assets Fund Balance | $5,729,251 | $5,043,854 | ▼ $685,397 |
| Total Liabilities and Net Assets / Fund Balance | $6,607,372 | $7,326,588 | ▲ $719,216 |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2024 | $2,037,504 | - | - | - | $2,027,357 |
| 2023 | $1,887,265 | - | ▲ $155,862 | - | $2,037,504 |
| 2022 | $2,000,000 | - | ▼ $112,735 | - | $1,887,265 |
| 2021 | - | $2,000,000 | - | - | $2,000,000 |
| Name | Title |
|---|---|
| Jerre Stead | Chairman |
| Cormac Maher | Vice President |
| Bob Carter | Director |
| Harry Johns | Director |
| Tiffani Shaw | Director |
| Eyas Hattab | Secretary |
| Contractor | Services | Location | Compensation |
|---|---|---|---|
| Stephen Thorpe | Sales Consulting | 2140 S Dupont HWY, Camden, DE 19934, Uk | $218,897 |
| Stead Impact Ventures | C-Suite Consulting | - | $149,026 |
| Line Item | Amount |
|---|---|
| Other Expenses | $2,362,213 |
| Grants and Similar Amounts Paid | $129,619 |
| Professional Fundraising Fees | $550 |
| Total Fundraising Expense | $550 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Fees for Services Other | $258,807 | $512,935 | - | $771,742 |
| Advertising | $189,394 | - | - | $189,394 |
| Depreciation Depletion | $174,791 | - | - | $174,791 |
| Fees for Services Management | - | $153,639 | - | $153,639 |
| Information Technology | $140,924 | - | - | $140,924 |
| Grants to Domestic Orgs | $129,619 | - | - | $129,619 |
| Fees for Services Accounting | - | $79,107 | - | $79,107 |
| Fees for Services Legal | - | $59,248 | - | $59,248 |
| Conferences and Meetings | $25,630 | - | - | $25,630 |
| Insurance | $24,925 | - | - | $24,925 |
| Travel | $19,524 | - | - | $19,524 |
| Fees for Service Investment Mgmnt Fees | - | $11,151 | - | $11,151 |
| Other Expenses | $3,662 | $3,329 | - | $3,329 |
| Office Expenses | $2,899 | - | - | $2,899 |
| Fees for Services Professional Fundraising | - | - | $550 | $550 |
| Royalties | $5 | - | - | $5 |
| Total Functional Expenses | $1,656,807 | $835,025 | $550 | $2,492,382 |
| Recipient | Location | Category | Purpose | Amount |
|---|---|---|---|---|
| Stanford University | Stanford, CA | - | - | $128,619 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $550 |
| Interested Party | Relationship | Description | Shared Revenue | Amount |
|---|---|---|---|---|
| Stead Impact Ventures | Owner of Entity | Consulting Services | No | $149,026 |
| Line Item | Beginning | End | Change |
|---|---|---|---|
| Receivables from Disqualified Persons | - | $0 | - |
| Receivables from Officers, Directors, Trustees, and Key Employees | - | $0 | - |
| Liability | Amount |
|---|---|
| Deferred Contributions | $2,000,000 |
“Form 990 was reviewed and approved by the board of directors prior to filing.”
“Phone conferences are used to review and monitor the conflict of interest policy. If a transaction arises that involves a conflict of interest, the conflicted individual is required to disclose the conflict and is not allowed to vote on the matter.”
“The president's royalty payments were approved by the board of directors”
“The organization's financial statements, governing documents and conflict of interest policy are provided upon request.”
“Part V, Line 4 NEUROSURGICAL ATLAS ENDOWMENTS CONSISTS OF TWO FUNDS THAT SUPPORT (A) NEUROSURGICAL ATLAS AND ITS AREA OF GREATEST NEED, INCLUDING BUT NOT LIMITED TO BUILDING THE SUBSCRIPTION MODEL, FRAMEWORK, CONTENT AND ONGOING MAINTENANCE AND (B) TO INCREASE OPERATIONAL DEVELOPMENT CAPACITY.”
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 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 596451 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 84703 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 97658 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 179045 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | THE MISSION ENTAILS PREPARATION OF WIDELY ACCESSIBLE WEB-BASED INFORMATION. |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 189394 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 189394 |
| IRS990/AllOtherContributionsAmt | 0 | 690651 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 0 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | Aaron A Cohen-Gadol |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 3173628760 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 706 N Camden Dr |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Beverly Hills |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 90210 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | true |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | true |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 167422 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 50795 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 2 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 0 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 25630 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 25630 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 218897 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 149026 |
| IRS990/ContractorCompensationGrp/ContractorAddress/ForeignAddress/AddressLine1Txt | 0 | Ripley Place |
| IRS990/ContractorCompensationGrp/ContractorAddress/ForeignAddress/CityNm | 0 | Ripley |
| IRS990/ContractorCompensationGrp/ContractorAddress/ForeignAddress/CountryCd | 0 | UK |
| IRS990/ContractorCompensationGrp/ContractorAddress/ForeignAddress/ForeignPostalCd | 0 | GU23 6ER |
| IRS990/ContractorCompensationGrp/ContractorAddress/ForeignAddress/ProvinceOrStateNm | 0 | Surrey |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 2140 S Dupont HWY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | Camden |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | DE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 19934 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | Stephen Thorpe |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | Stead Impact Ventures |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | Sales Consulting |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | C-Suite Consulting |
| IRS990/CostOfGoodsSoldAmt | 0 | 154259 |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 690651 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 129619 |
| IRS990/CYInvestmentIncomeAmt | 0 | 107787 |
| IRS990/CYOtherExpensesAmt | 0 | 2362213 |
| IRS990/CYOtherRevenueAmt | 0 | 873768 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -820176 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 2492382 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 550 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 550 |
| IRS990/CYTotalRevenueAmt | 0 | 1672206 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 281670 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 198031 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 174791 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 174791 |
| IRS990/Desc | 0 | NEUROSURGICAL ATLAS PROVIDES CRUCIAL SURGICAL EDUCATION AND INNOVATION AND IMPROVES THE QUALITY OF LIFE FOR MILLIONS OF PATIENTS WORLDWIDE. IT HAS REVOLUTIONIZED SURGICAL TRAINING AND PRACTICE THROUGH THE MOST COMPLETE MULTIMEDIA COLLECTION IN EXISTENCE, BRINGING THE HIGHEST LEVEL OF SURGICAL KNOWLEDGE AND TECHNIQUES TO STUDENTS AND HEALTHCARE PROVIDERS AROUND THE WORLD. NEUROSURGICAL ATLAS HAS OVER 80,000 INTERNATIONAL MEMBERS AND IT IS AN INVALUABLE DAILY RESOURCE FOR MEDICAL STUDENTS, RESIDENTS, FACULTY, AND SURGEONS GLOBALLY. CUTTING-EDGE TECHNOLOGIES, ARTIFICIAL INTELLIGENCE, AND GENERATIVE AI ARE BEING INTEGRATED INTO THE ATLAS, BRINGING NEUROSURGERY INTO A NEW ERA. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 6076656 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 6828508 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | true |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 1656807 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 79107 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 79107 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 59248 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 59248 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/ManagementAndGeneralAmt | 0 | 153639 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 153639 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 512935 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 258807 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 771742 |
| IRS990/FeesForServicesProfFundraising/FundraisingAmt | 0 | 550 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 550 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 11151 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 11151 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form1098CFiledInd | 0 | false |
| IRS990/Form8282FiledCnt | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form8899Filedind | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | 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 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Jerre Stead |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Cormac Maher |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Eyas Hattab |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Tiffani Shaw |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Bob Carter |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Harry Johns |
| 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/ReportableCompFromOrgAmt | 5 | 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 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | Chairman |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Vice President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Director |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 2013 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 50764 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 6 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 129619 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 129619 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | true |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 50764 |
| IRS990/GrossReceiptsAmt | 0 | 1826465 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 1028027 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 5 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 140924 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 140924 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 24925 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 24925 |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 962678 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 660268 |
| IRS990/InterestGrp/TotalAmt | 0 | 0 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 57023 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 57023 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 2758591 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 4370871 |
| IRS990/IRPDocumentCnt | 0 | 1 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | IN |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | TO INSPIRE EVERY SURGEON TO TRANSFORM EVERY PATIENT'S LIFE. NEUROSURGICAL ATLAS INSPIRES NEUROSURGEONS TO PUSH THE BOUNDARIES OF TECHNICAL EXCELLENCE AND THE ART OF SURGERY THROUGH INNOVATION, REVOLUTIONIZING THE CARE OF PATIENTS WORLDWIDE. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 5729251 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 5043854 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 50764 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 50764 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeOrLossGrp/RelatedOrExemptFuncIncomeAmt | 0 | 873768 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 873768 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 134779 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | -347405 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | -1784654 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/TotalAmt | 0 | 0 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 2899 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 2899 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 268242 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 268240 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/Desc | 0 | Loss on Write-Off: AtlasLink |
| IRS990/OtherExpensesGrp/Desc | 1 | Bank Fees |
| IRS990/OtherExpensesGrp/Desc | 2 | Other Program Services |
| IRS990/OtherExpensesGrp/Desc | 3 | DUES AND SUBSCRIPTIONS |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 15616 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 3329 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 686627 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 3662 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 686627 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 15616 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 3662 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 3329 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 2000000 |
| IRS990/OtherRevenueTotalAmt | 0 | 0 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 0 |
| IRS990/OthNotesLoansReceivableNetGrp/EOYAmt | 0 | 0 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PaymentsToAffiliatesGrp/TotalAmt | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 0 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 0 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 2283520 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 1783520 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 69261 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 13849 |
| IRS990/PrincipalOfficerNm | 0 | Jerre Stead |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 109380 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | -11819 |
| IRS990/PymtTravelEntrtnmntPubOfclGrp/TotalAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 2591519 |
| IRS990/PYOtherRevenueAmt | 0 | 510136 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -2046222 |
| IRS990/PYTotalExpensesAmt | 0 | 2653919 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 62400 |
| IRS990/PYTotalRevenueAmt | 0 | 607697 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvblFromDisqualifiedPrsnGrp/EOYAmt | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReceivablesFromOfficersEtcGrp/EOYAmt | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -820176 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | false |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | true |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 1564419 |
| IRS990/RoyaltiesGrp/ProgramServicesAmt | 0 | 5 |
| IRS990/RoyaltiesGrp/TotalAmt | 0 | 5 |
| IRS990/RoyaltiesRevenueGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 0 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 690651 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 109380 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 1100189 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 5286248 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 857040 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 8043508 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 57023 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 74332 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 131355 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.98390 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.99050 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 8043508 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 690651 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 109380 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 1100189 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 5286248 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 857040 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 8043508 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 8174863 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/TotalAmt | 0 | 0 |
| 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 | true |
| IRS990ScheduleD/CYEndwmtFundGrp/AdministrativeExpensesAmt | 0 | 10147 |
| IRS990ScheduleD/CYEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 2037504 |
| IRS990ScheduleD/CYEndwmtFundGrp/EndYearBalanceAmt | 0 | 2027357 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/AdministrativeExpensesAmt | 0 | 5623 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 1887265 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 2037504 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 155862 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 2000000 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 1887265 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | -112735 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/ContributionsAmt | 0 | 2000000 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 2000000 |
| IRS990ScheduleD/EndowmentsHeldRelatedOrgInd | 0 | false |
| IRS990ScheduleD/EndowmentsHeldUnrelatedOrgInd | 0 | false |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 2000000 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | Deferred Contributions |
| IRS990ScheduleD/PrmnntEndowmentBalanceEOYPct | 0 | 1.00000 |
| IRS990ScheduleD/RelatedOrgListSchRInd | 0 | false |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | Part V, Line 4 NEUROSURGICAL ATLAS ENDOWMENTS CONSISTS OF TWO FUNDS THAT SUPPORT (A) NEUROSURGICAL ATLAS AND ITS AREA OF GREATEST NEED, INCLUDING BUT NOT LIMITED TO BUILDING THE SUBSCRIPTION MODEL, FRAMEWORK, CONTENT AND ONGOING MAINTENANCE AND (B) TO INCREASE OPERATIONAL DEVELOPMENT CAPACITY. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Part V, Line 4: Intended uses of the endowment fund. |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 2000000 |
| IRS990ScheduleI/GrantRecordsMaintainedInd | 0 | false |
| IRS990ScheduleI/RecipientTable/CashGrantAmt | 0 | 128619 |
| IRS990ScheduleI/RecipientTable/NonCashAssistanceAmt | 0 | 0 |
| IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine1Txt | 0 | Stanford University |
| IRS990ScheduleI/RecipientTable/USAddress/AddressLine1Txt | 0 | 291 Campus Drive |
| IRS990ScheduleI/RecipientTable/USAddress/CityNm | 0 | Stanford |
| IRS990ScheduleI/RecipientTable/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990ScheduleI/RecipientTable/USAddress/ZIPCd | 0 | 94305 |
| IRS990ScheduleI/Total501c3OrgCnt | 0 | 0 |
| IRS990ScheduleI/TotalOtherOrgCnt | 0 | 1 |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990ScheduleL/BusTrInvolveInterestedPrsnGrp/NameOfInterested/PersonNm | 0 | Stead Impact Ventures |
| IRS990ScheduleL/BusTrInvolveInterestedPrsnGrp/RelationshipDescriptionTxt | 0 | Owner of Entity |
| IRS990ScheduleL/BusTrInvolveInterestedPrsnGrp/SharingOfRevenuesInd | 0 | false |
| IRS990ScheduleL/BusTrInvolveInterestedPrsnGrp/TransactionAmt | 0 | 149026 |
| IRS990ScheduleL/BusTrInvolveInterestedPrsnGrp/TransactionDesc | 0 | Consulting Services |
| IRS990ScheduleL/SupplementalInformationDetail/ExplanationTxt | 0 | SCH L, PART IV, BUSINESS TRANSACTIONS INVOLVING INTERESTED PERSONS: A. NAME OF PERSON: STEAD IMPACT VENTURES B. RELATIONSHIP BETWEEN INTERESTED PERSON AND ORGANIZATION: OWNER OF ENTITY IS BOARD PRESIDENT OF FILING ORGANIZATION C. AMOUNT OF TRANSACTION: $149,026 D. DESCRIPTION OF TRANSACTION: CONSULTING SERVICES E. SHARING OF ORGANIZATION REVENUE = NO |
| IRS990ScheduleL/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Schedule L, Part V Supplemental Information |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | FORM 990 WAS REVIEWED AND APPROVED BY THE BOARD OF DIRECTORS PRIOR TO FILING. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | PHONE CONFERENCES ARE USED TO REVIEW AND MONITOR THE CONFLICT OF INTEREST POLICY. IF A TRANSACTION ARISES THAT INVOLVES A CONFLICT OF INTEREST, THE CONFLICTED INDIVIDUAL IS REQUIRED TO DISCLOSE THE CONFLICT AND IS NOT ALLOWED TO VOTE ON THE MATTER. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THE PRESIDENT'S ROYALTY PAYMENTS WERE APPROVED BY THE BOARD OF DIRECTORS |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | THE ORGANIZATION'S FINANCIAL STATEMENTS, GOVERNING DOCUMENTS AND CONFLICT OF INTEREST POLICY ARE PROVIDED UPON REQUEST. |
| 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 B, Line 15a |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | Form 990, Part VI, Section C, Line 19 |
| IRS990/SchoolOperatingInd | 0 | false |
| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | IN |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | false |
| IRS990/SubjectToProxyTaxInd | 0 | false |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | false |
| IRS990/TaxablePartyNotificationInd | 0 | false |
| IRS990/TaxExemptBondsInd | 0 | false |
| IRS990/TerminateOperationsInd | 0 | false |
| IRS990/TotalAssetsBOYAmt | 0 | 6607372 |
| IRS990/TotalAssetsEOYAmt | 0 | 7326588 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 6607372 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 7326588 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalContributionsAmt | 0 | 690651 |
| IRS990/TotalEmployeeCnt | 0 | 0 |
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