Liabilities / Assets
72nd percentile
Higher debt load relative to assets than 72% of similar nonprofits.
EIN 27-5218293 • 501(c)3 • Fairfax, VA
Profile
The foundation supports the society of neurointerventional surgery by funding continuing education programs, research grants and research awards.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
72nd percentile
Higher debt load relative to assets than 72% of similar nonprofits.
Liabilities / Revenue
92nd percentile
Higher debt load relative to revenue than 92% of similar nonprofits.
Net Margin
55th percentile
Higher net margin than 55% of similar nonprofits.
Top Officer Pay
Score unavailable
No filing with officer rows is available for this organization yet.
Asset Growth
63rd percentile
Faster asset growth than 63% of similar nonprofits.
Revenue Growth
27th percentile
Faster revenue growth than 27% of similar nonprofits.
Assets
Up$807,105
Up $50,386 (+6.7%) from 2023
Liabilities
Up$129,560
Up $1,352 (+1.1%) from 2023
Net Assets
Up$677,545
Up $49,034 (+7.8%) from 2023
Revenue
Down$117,124
Down $31,682 (-21%) from 2023
Expenses
Up$108,896
Up $22,503 (+26%) from 2023
Net Income
Down$8,228
Down $54,185 (-87%) from 2023
Most recent year
2024 • Form 990Detailed filing. Detailed filing data is available for this year.
The foundation supports the society of neurointerventional surgery by funding neurointerventional training, continuing education, research grants and research awards.
To improve patient care by supporting the research and educational goals of snis.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $437,868 | $497,744 | ▲ $59,876 |
| Savings and Temporary Cash Investments | $245,049 | $215,814 | ▼ $29,235 |
| Accounts Receivable | $35,000 | $65,000 | ▲ $30,000 |
| Prepaid Expenses and Deferred Charges | $1,000 | - | - |
| Total Assets | $756,719 | $807,105 | ▲ $50,386 |
| Other Assets Total | $37,802 | $28,547 | ▼ $9,255 |
| Liabilities | |||
| Grants Payable | $125,000 | $102,500 | ▼ $22,500 |
| Accounts Payable and Accrued Expenses | $3,208 | $27,060 | ▲ $23,852 |
| Total Liabilities | $128,208 | $129,560 | ▲ $1,352 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $628,511 | $677,545 | ▲ $49,034 |
| Total Net Assets Fund Balance | $628,511 | $677,545 | ▲ $49,034 |
| Total Liabilities and Net Assets / Fund Balance | $756,719 | $807,105 | ▲ $50,386 |
| Name | Title | Other | Total |
|---|---|---|---|
| Edward Woods | Director Mbr Svcs Snis | $136,269 | $136,269 |
| Name | Title |
|---|---|
| Blaise W Baxter Md Fsnis | Chair |
| Aaron W Grossman Md Phd | Director |
| Jeremy J Heit Md Phd | Director |
| Justin Fraser Md | Director |
| Matthew Gounis Phd | Director |
| Michael R Levitt Md | Director |
| Nina Z Moore Md | Director |
| Ricardo a Hanel Md | Director |
| Steven W Hetts Md | Director |
| Marie Denslow Cae | Executive Director Snis |
| Line Item | Amount |
|---|---|
| Grants and Similar Amounts Paid | $90,000 |
| Other Expenses | $18,896 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Grants to Domestic Orgs | $90,000 | - | - | $90,000 |
| Travel | $4,528 | $1,977 | - | $6,505 |
| Office Expenses | - | $5,632 | - | $5,632 |
| Fees for Services Accounting | - | $5,156 | - | $5,156 |
| Fees for Services Legal | - | $380 | - | $380 |
| Fees for Services Other | - | $337 | - | $337 |
| Other Expenses | $369 | $218 | - | $218 |
| Total Functional Expenses | $94,897 | $13,999 | $0 | $108,896 |
| Recipient | Location | Category | Purpose | Amount |
|---|---|---|---|---|
| University of Kentucky Research Foundation | Lexington, KY | 501(c)3 | Research Grant | $25,000 |
| Univesity of Washington | Seattle, WA | 501(c)3 | Research Grant | $25,000 |
| University of Rochester Medical Center | Rochester, NY | 501(c)3 | Research Grant | $20,000 |
| University of Utah | Salt Lake City, UT | 501(c)3 | Research Grant | $20,000 |
| Line Item | Amount |
|---|---|
| Fundraising Direct Expenses | $23,156 |
| Fundraising Gross Income | $2,836 |
| Professional Fundraising Fees | $0 |
“The snis foundation does not have any committees with authority to act on behalf of the governing body.”
“The form 990 is reviewed by the executive director and the board chair before it is filed with the irs.”
“All officers, directors, trustees and key employees are required to disclose any conflict of interest at any time. The executive director reviews responses to the conflict of interest forms on an annual basis or if anything changes during the year. Any person with a conflict or perceived conflict will abstain from participating in any related decision making.”
“The foundation makes its governing documents, conflict of interest policy and financial statements available to the public upon request.”
“Return of unused grant funds 3,193.”
“Snis is exempt from federal income tax under section 501(c)(6) of the internal revenue code (irc). However, snis is subject to income taxes on its unrelated business. The foundation is exempt from federal income tax under irc section 501(c)(3) of the irc and qualifies to receive charitable donations under irc section 170(b)(1)(a)(vi).”
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/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 3208 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 27060 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 35000 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 65000 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | TO IMPROVE PATIENT CARE BY SUPPORTING THE RESEARCH AND EDUCATIONAL GOALS OF SNIS. |
| IRS990/AllOtherContributionsAmt | 0 | 122542 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | MARIE DENSLOW |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 7036912272 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 12587 FAIR LAKES CIRCLE 353 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | FAIRFAX |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | VA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 22033 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| 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 | 1 |
| IRS990/ContriRptFundraisingEventAmt | 0 | 1674 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 124216 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 90000 |
| IRS990/CYInvestmentIncomeAmt | 0 | 13228 |
| IRS990/CYOtherExpensesAmt | 0 | 18896 |
| IRS990/CYOtherRevenueAmt | 0 | -20320 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 8228 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 108896 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 117124 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/Desc | 0 | OTHER GRANTS: IN 2024, FOUR GRANT PROJECTS WERE FUNDED FOR RESEARCH TARGETING ANEURYSM, AVM AND ISCHEMIC STROKE RESEARCH. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 0 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 94897 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 5156 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 5156 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 380 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 380 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 337 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 337 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| 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/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | 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 | 22155 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 16533 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | BLAISE W BAXTER MD FSNIS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | JUSTIN FRASER MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | MATTHEW GOUNIS PHD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | MARIE DENSLOW CAE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | STEVEN W HETTS MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | JEREMY J HEIT MD PHD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | AARON W GROSSMAN MD PHD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | RICARDO A HANEL MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | MICHAEL R LEVITT MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | NINA Z MOORE MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | EDWARD WOODS |
| 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/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 243159 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 119736 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | EXECUTIVE DIRECTOR SNIS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | DIR MBR SVCS SNIS |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 0 |
| IRS990/FormationYr | 0 | 2011 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/ConsolidatedBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/FundraisingAmt | 0 | 1674 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 23156 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 2836 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 1448 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 9 |
| IRS990/GrantAmt | 0 | 90000 |
| IRS990/GrantsPayableGrp/BOYAmt | 0 | 125000 |
| IRS990/GrantsPayableGrp/EOYAmt | 0 | 102500 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 90000 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 90000 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 1 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 16277 |
| IRS990/GrossReceiptsAmt | 0 | 155109 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 9 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 11780 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 11780 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 437868 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 497744 |
| IRS990/IRPDocumentCnt | 0 | 3 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | DC |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 14829 |
| 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 | 0 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | THE FOUNDATION SUPPORTS THE SOCIETY OF NEUROINTERVENTIONAL SURGERY BY FUNDING CONTINUING EDUCATION PROGRAMS, RESEARCH GRANTS AND RESEARCH AWARDS. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 628511 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 677545 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 1448 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 1448 |
| IRS990/NetIncmFromFundraisingEvtGrp/ExclusionAmt | 0 | -20320 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | -20320 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 37613 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 628511 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 677545 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 5632 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 5632 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 37802 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 28547 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 3193 |
| IRS990/OtherExpensesGrp/Desc | 0 | AWARDS |
| IRS990/OtherExpensesGrp/Desc | 1 | LICENSES & OTHER TAXES |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 299 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 218 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 369 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 668 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 218 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 1000 |
| IRS990/PrincipalOfficerNm | 0 | MARIE DENSLOW CAE |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 150370 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 70000 |
| IRS990/PYInvestmentIncomeAmt | 0 | 10674 |
| IRS990/PYOtherExpensesAmt | 0 | 16393 |
| IRS990/PYOtherRevenueAmt | 0 | -12238 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 62413 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/PYTotalExpensesAmt | 0 | 86393 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 148806 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 8228 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 1 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 0 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 62000 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 245049 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 215814 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/Contribution35ControlledInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionControllerInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionFamilyInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ControlledDisqualifiedPrsnInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnControllIntInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnOwnrIntInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ExcessBusinessHoldingsRulesInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ListedByNameGoverningDocInd | 0 | 1 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/LoanDisqualifiedPersonInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/OrganizationChangeSuprtOrgInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/PaymentSubstantialContribtrInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgNotOrganizedUSInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgQualifiedInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgSectionC456Ind | 0 | 1 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportNonSupportedOrgInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SuprtExclusivelySec170c2BInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SuprtOrgNoIRSDeterminationInd | 0 | 0 |
| IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/OperateBenefitNonSuprtOrgInd | 0 | 0 |
| IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/PowerAppointMajorityDirTrstInd | 0 | 1 |
| IRS990ScheduleA/IRSWrittenDeterminationInd | 0 | X |
| IRS990ScheduleA/OtherSupportSumAmt | 0 | 90000 |
| IRS990ScheduleA/SupportedOrganizationsCnt | 0 | 1 |
| IRS990ScheduleA/SupportedOrganizationsTotalCnt | 0 | 1 |
| IRS990ScheduleA/SupportedOrgInformationGrp/EIN | 0 | 363836229 |
| IRS990ScheduleA/SupportedOrgInformationGrp/GoverningDocumentListedInd | 0 | 1 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OrganizationTypeCd | 0 | 10 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OtherSupportAmt | 0 | 90000 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine1Txt | 0 | SOCIETY OF NEUROINTERVENTIONAL SURGERY |
| IRS990ScheduleA/SupportingOrganization509a3Ind | 0 | X |
| IRS990ScheduleA/SupportingOrgType1Ind | 0 | X |
| IRS990ScheduleA/SupportSumAmt | 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 |
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| IRS990/ScheduleBRequiredInd | 0 | 1 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | SNIS IS EXEMPT FROM FEDERAL INCOME TAX UNDER SECTION 501(C)(6) OF THE INTERNAL REVENUE CODE (IRC). HOWEVER, SNIS IS SUBJECT TO INCOME TAXES ON ITS UNRELATED BUSINESS. THE FOUNDATION IS EXEMPT FROM FEDERAL INCOME TAX UNDER IRC SECTION 501(C)(3) OF THE IRC AND QUALIFIES TO RECEIVE CHARITABLE DONATIONS UNDER IRC SECTION 170(B)(1)(A)(VI). |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART X, LINE 2: |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 0 |
| IRS990ScheduleI/GrantRecordsMaintainedInd | 0 | 1 |
| IRS990ScheduleI/RecipientTable/CashGrantAmt | 0 | 25000 |
| IRS990ScheduleI/RecipientTable/CashGrantAmt | 1 | 20000 |
| IRS990ScheduleI/RecipientTable/CashGrantAmt | 2 | 20000 |
| IRS990ScheduleI/RecipientTable/CashGrantAmt | 3 | 25000 |
| IRS990ScheduleI/RecipientTable/IRCSectionDesc | 0 | 501(C)3 |
| IRS990ScheduleI/RecipientTable/IRCSectionDesc | 1 | 501(C)3 |
| IRS990ScheduleI/RecipientTable/IRCSectionDesc | 2 | 501(C)3 |
| IRS990ScheduleI/RecipientTable/IRCSectionDesc | 3 | 501(C)3 |
| IRS990ScheduleI/RecipientTable/NonCashAssistanceAmt | 0 | 0 |
| IRS990ScheduleI/RecipientTable/NonCashAssistanceAmt | 1 | 0 |
| IRS990ScheduleI/RecipientTable/NonCashAssistanceAmt | 2 | 0 |
| IRS990ScheduleI/RecipientTable/NonCashAssistanceAmt | 3 | 0 |
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| IRS990ScheduleI/RecipientTable/PurposeOfGrantTxt | 1 | RESEARCH GRANT |
| IRS990ScheduleI/RecipientTable/PurposeOfGrantTxt | 2 | RESEARCH GRANT |
| IRS990ScheduleI/RecipientTable/PurposeOfGrantTxt | 3 | RESEARCH GRANT |
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| IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine1Txt | 1 | UNIVERSITY OF UTAH |
| IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine1Txt | 2 | UNIVERSITY OF ROCHESTER MEDICAL CENTER |
| IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine1Txt | 3 | UNIVESITY OF WASHINGTON |
| IRS990ScheduleI/RecipientTable/RecipientEIN | 0 | 616033693 |
| IRS990ScheduleI/RecipientTable/RecipientEIN | 1 | 876000525 |
| IRS990ScheduleI/RecipientTable/RecipientEIN | 2 | 160743209 |
| IRS990ScheduleI/RecipientTable/RecipientEIN | 3 | 911486484 |
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| IRS990ScheduleI/RecipientTable/USAddress/AddressLine1Txt | 1 | 201 SOUTH PRESIDENTS CIRCLE RM 159 |
| IRS990ScheduleI/RecipientTable/USAddress/AddressLine1Txt | 2 | 601 ELMWOOD AVE |
| IRS990ScheduleI/RecipientTable/USAddress/AddressLine1Txt | 3 | 1410 NE CAMPUS PARKWAY |
| IRS990ScheduleI/RecipientTable/USAddress/CityNm | 0 | LEXINGTON |
| IRS990ScheduleI/RecipientTable/USAddress/CityNm | 1 | SALT LAKE CITY |
| IRS990ScheduleI/RecipientTable/USAddress/CityNm | 2 | ROCHESTER |
| IRS990ScheduleI/RecipientTable/USAddress/CityNm | 3 | SEATTLE |
| IRS990ScheduleI/RecipientTable/USAddress/StateAbbreviationCd | 0 | KY |
| IRS990ScheduleI/RecipientTable/USAddress/StateAbbreviationCd | 1 | UT |
| IRS990ScheduleI/RecipientTable/USAddress/StateAbbreviationCd | 2 | NY |
| IRS990ScheduleI/RecipientTable/USAddress/StateAbbreviationCd | 3 | WA |
| IRS990ScheduleI/RecipientTable/USAddress/ZIPCd | 0 | 40506 |
| IRS990ScheduleI/RecipientTable/USAddress/ZIPCd | 1 | 84112 |
| IRS990ScheduleI/RecipientTable/USAddress/ZIPCd | 2 | 14642 |
| IRS990ScheduleI/RecipientTable/USAddress/ZIPCd | 3 | 98165 |
| IRS990ScheduleI/SupplementalInformationDetail/ExplanationTxt | 0 | THE SNIS FOUNDATION REQUIRES THE SUBMISSION OF A FINAL REPORT UPON COMPLETION OF THE RESEARCH. |
| IRS990ScheduleI/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART I, LINE 2: |
| IRS990ScheduleI/Total501c3OrgCnt | 0 | 4 |
| 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 | 13591 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 0 | 229568 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990FilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990RltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompensationFlngOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompRltdOrgsAmt | 0 | 9249 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsFilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsRltdOrgsAmt | 0 | 12906 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationFilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationRltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/PersonNm | 0 | MARIE DENSLOW CAE |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TitleTxt | 0 | EXECUTIVE DIRECTOR SNIS |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationFilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationRltdOrgsAmt | 0 | 265314 |
| IRS990ScheduleJ/SeverancePaymentInd | 0 | 0 |
| IRS990ScheduleJ/SupplementalInformationDetail/ExplanationTxt | 0 | THE PRESIDENT AND PAST PRESIDENT OF SNIS COMPRISE THEIR COMPENSATION COMMITTEE AND THEY DETERMNE THE EXECUTIVE DIRECTOR'S COMPENSATION ON AN ANNUAL BASIS. |
| IRS990ScheduleJ/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART I, LINE 3 |
| IRS990ScheduleJ/SupplementalNonqualRtrPlanInd | 0 | 0 |
| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE SNIS FOUNDATION DOES NOT HAVE ANY COMMITTEES WITH AUTHORITY TO ACT ON BEHALF OF THE GOVERNING BODY. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE FORM 990 IS REVIEWED BY THE EXECUTIVE DIRECTOR AND THE BOARD CHAIR BEFORE IT IS FILED WITH THE IRS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | ALL OFFICERS, DIRECTORS, TRUSTEES AND KEY EMPLOYEES ARE REQUIRED TO DISCLOSE ANY CONFLICT OF INTEREST AT ANY TIME. THE EXECUTIVE DIRECTOR REVIEWS RESPONSES TO THE CONFLICT OF INTEREST FORMS ON AN ANNUAL BASIS OR IF ANYTHING CHANGES DURING THE YEAR. ANY PERSON WITH A CONFLICT OR PERCEIVED CONFLICT WILL ABSTAIN FROM PARTICIPATING IN ANY RELATED DECISION MAKING. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | THE FOUNDATION MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON REQUEST. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | RETURN OF UNUSED GRANT FUNDS 3,193. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PART VI, SECTION A, LINE 8B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION B, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART VI, SECTION B, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PART VI, SECTION C, LINE 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PART XI, LINE 9: |
| 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/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 0 | 0 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DisregardedEntityName/BusinessNameLine1Txt | 0 | SOCIETY OF NEUROINTERVENTIONAL SURGERY |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/EIN | 0 | 363836229 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ExemptCodeSectionTxt | 0 | 501(C)(6) |
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