Liabilities / Assets
23rd percentile
Tied with the lowest-debt nonprofits in its peer group.
990 • Fiscal year 2022 • EIN 04-3146650
Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.
Liabilities / Assets
23rd percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
23rd percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
79th percentile
Higher net margin than 79% of similar nonprofits.
Top Officer Pay
47th percentile
Higher top officer pay than 47% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
58th percentile
Faster asset growth than 58% of similar nonprofits.
Revenue Growth
68th percentile
Faster revenue growth than 68% of similar nonprofits.
Assets
Up$639,352
Up $33,881 (+5.6%) from 2021
Net Assets
Up$639,352
Up $35,874 (+5.9%) from 2021
Liabilities
Down$0
Down $1,993 (-100%) from 2021
Revenue
Up$193,207
Up $37,911 (+24%) from 2021
Expenses
Up$157,333
Up $43,012 (+38%) from 2021
Net Income
Down$35,874
Down $5,101 (-12%) from 2021
The organization fosters technical development and research on the topics of brain and body radiosurgery. As part of that mission, the organization holds a biennial congress and maintains a website for the exchange of information.
The international stereotactic radiosurgery society (isrs) was founded as a worldwide organization in 1991 and remains the only professional body of its kind. Created to foster learning and research on the topics of brain and body radiosurgery, the society is highly dedicated to: 1. Promoting technical developments in stereotactic radiosurgery 2. Promoting the highest levels of clinical expertise 3. Convening every two years at the isrs congress the isrs fosters technical development and research on the topics of brain and body radiosurgery by holding biennial congresses, maintaining a website, and other activities to encourage the exchange of information.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Rtn Earn Endowment Incm Other Fnds | - | $639,352 | - |
| Cash and Non-Interest-Bearing Accounts | $605,471 | $639,135 | ▲ $33,664 |
| Cap Stk Tr Prin Current Funds | $603,478 | - | - |
| Prepaid Expenses and Deferred Charges | - | $217 | - |
| Total Assets | $605,471 | $639,352 | ▲ $33,881 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $1,993 | - | - |
| Total Liabilities | $1,993 | $0 | ▼ $1,993 |
| Net Assets / Fund Balance | |||
| Total Net Assets Fund Balance | $603,478 | $639,352 | ▲ $35,874 |
| Total Liabilities and Net Assets / Fund Balance | $605,471 | $639,352 | ▲ $33,881 |
| Name | Title |
|---|---|
| Marc Levivier Md | President |
| Alessandra Gorgulho | Director |
| Caroline Chung | Director |
| Cecelia Gzell | Director |
| Chung-ping Yu | Director |
| Constantin Tuleasca | Director |
| Daniel Trifiletti | Director |
| Hyun-tai Chung | Director |
| Soji Yomo | Director |
| Laura Fariselli Md | Past Preside |
| Jason Sheehan | Secretary |
| Thierry Gevaert | Treasurer |
| Arjun Sahgal | Vice Preside |
| Line Item | Amount |
|---|---|
| Other Expenses | $136,547 |
| Grants and Similar Amounts Paid | $20,786 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Fees for Services Other | - | - | - | $29,605 |
| Office Expenses | - | - | - | $25,231 |
| Fees for Services Management | - | - | - | $19,263 |
| Other Expenses | - | - | - | $15,646 |
| Fees for Services Legal | - | - | - | $13,781 |
| Grants to Domestic Individuals | - | - | - | $12,000 |
| Foreign Grants | - | - | - | $8,786 |
| Information Technology | - | - | - | $3,284 |
| Fees for Services Accounting | - | - | - | $2,200 |
| Total Functional Expenses | $0 | $0 | $0 | $157,333 |
| Region | Activity | Services | Offices | Employees | Spending |
|---|---|---|---|---|---|
| Europe | Website Host, Admin | Admin | 1 | 1 | $157,333 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“The organization has contracted with an outside management company so that the management company will handle organization of the biennial congress with the related revenues and expenses. The management company also handles the organization's membership dues and maintains the website and membership lists.”
“A copy of the form 990 is emailed to the officers for their review prior to finalization of the form 990. The final copy of the form 990 is sent to the officer responsible for signing and filing the form 990, who reviews the form 990 prior to signing and filing it.”
“The organization's conflict of interest policy is monitored through the day-to-day communication between the governing body and the headquarter secretariat (located in mco congres marseille, france). If a conflict of interest should arise, the bylaws (section 9 - resignation and removal) state that "whenever, in the judgement of the board of directors, the best interests of the isrs will be served, any member may be removed from office by two-thirds vote of the members of the board of directors in office, at any meeting of the board of directors duly called at which a quorum is present."”
“The organization does not compensate its officers or directors, nor does it have any employees. It has contracted with an independent outside organization to provide administrative and financial services.”
“X”
“The international stereotactic radiosurgery society (isrs) was founded as a worldwide organization in 1991 and remains the only professional body of its kind. Created to foster learning and research on the topics of brain and body radiosurgery, the society is highly dedicated to: 1. Promoting technical developments in stereotactic radiosurgery 2. Promoting the highest levels of clinical expertise 3. Convening every two years at the isrs congress the isrs fosters technical development and research on the topics of brain and body radiosurgery by holding biennial congresses, maintaining a website, and other activities to encourage the exchange of information.”
“FRANCE”
“CONSULTING 29,605 0 0”
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 | 1993 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | THE INTERNATIONAL STEREOTACTIC RADIOSURGERY SOCIETY (ISRS) WAS FOUNDED AS A WORLDWIDE ORGANIZATION IN 1991 AND REMAINS THE ONLY PROFESSIONAL BODY OF ITS KIND. CREATED TO FOSTER LEARNING AND RESEARCH ON THE TOPICS OF BRAIN AND BODY RADIOSURGERY, THE SOCIETY IS HIGHLY DEDICATED TO: 1. PROMOTING TECHNICAL DEVELOPMENTS IN STEREOTACTIC RADIOSURGERY 2. PROMOTING THE HIGHEST LEVELS OF CLINICAL EXPERTISE 3. CONVENING EVERY TWO YEARS AT THE ISRS CONGRESS THE ISRS FOSTERS TECHNICAL DEVELOPMENT AND RESEARCH ON THE TOPICS OF BRAIN AND BODY RADIOSURGERY BY HOLDING BIENNIAL CONGRESSES, MAINTAINING A WEBSITE, AND OTHER ACTIVITIES TO ENCOURAGE THE EXCHANGE OF INFORMATION. |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | MCO CONGRES MARSEILLE |
| IRS990/BooksInCareOfDetail/ForeignAddress/AddressLine1Txt | 0 | 285 CORNICHE JF KENNEDY |
| IRS990/BooksInCareOfDetail/ForeignAddress/CityNm | 0 | MARSEILLE |
| IRS990/BooksInCareOfDetail/ForeignAddress/CountryCd | 0 | FR |
| IRS990/BooksInCareOfDetail/ForeignAddress/ProvinceOrStateNm | 0 | MARSEILLE |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 0495093800 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
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| IRS990/CapStkTrPrinCurrentFundsGrp/BOYAmt | 0 | 603478 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 605471 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 639135 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | false |
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| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
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| IRS990/CYContributionsGrantsAmt | 0 | 0 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 20786 |
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| IRS990/CYOtherExpensesAmt | 0 | 136547 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 193109 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 35874 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 157333 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 193207 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | true |
| IRS990/Desc | 0 | THE ISRS ORGANIZES AND HOLDS A BIENNIAL CONGRESS TO ENCOURAGE INTERACTION AMONG INTERNATIONAL COMMUNITIES OF HEALTHCARE PROFESSIONALS DEDICATED TO THE ADVANCEMENT OF STEREOTACTIC RADIOSURGERY AND TO GIVE THEM THE OPPORTUNITY TO BROADEN AND DEVELOP THEIR KNOWLEDGE WITH FELLOW PROFESSIONALS. IN ADDITION TO OTHER ACTIVITIES AT THE BIENNIAL CONGRESS, THE ISRS MAKES CERTAIN AWARDS FOR CONTRIBUTIONS IN THE FIELD OF RADIOSURGERY, SCIENTIFIC PAPERS, AND POSTERS. OVER 700 NEUROSURGEONS, RADIATION ONCOLOGISTS, MEDICAL PHYSICISTS AND OTHERS FROM OVER 55 COUNTRIES WERE PRESENT AT THE 2022 BIENNIAL CONGRESS HELD IN MILAN, ITALY. |
| IRS990/DescribedInSection501c3Ind | 0 | false |
| IRS990/DisregardedEntityInd | 0 | false |
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| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 2200 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 13781 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 19263 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 29605 |
| IRS990/ForeignActivitiesInd | 0 | true |
| IRS990/ForeignCountryCd | 0 | FR |
| IRS990/ForeignFinancialAccountInd | 0 | true |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 8786 |
| IRS990/ForeignOfficeInd | 0 | true |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
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| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
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| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | 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/OtherCompensationAmt | 6 | 0 |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | CAROLINE CHUNG |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | HYUN-TAI CHUNG |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | ALESSANDRA GORGULHO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | CECELIA GZELL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | DANIEL TRIFILETTI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | CONSTANTIN TULEASCA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | SOJI YOMO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | CHUNG-PING YU |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | THIERRY GEVAERT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | LAURA FARISELLI MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | MARC LEVIVIER MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | ARJUN SAHGAL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | JASON SHEEHAN |
| 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/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 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/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | PAST PRESIDE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | VICE PRESIDE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | SECRETARY |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 1991 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 11 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 12000 |
| IRS990/GrantsToIndividualsInd | 0 | true |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 193207 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 11 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 3284 |
| IRS990/InvestmentIncomeGrp/RelatedOrExemptFuncIncomeAmt | 0 | 98 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 98 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | PA |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingCashInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | THE INTERNATIONAL STEREOTACTIC RADIOSURGERY SOCIETY (ISRS) WAS FOUNDED AS A WORLDWIDE ORGANIZATION IN 1991 AND REMAINS THE ONLY PROFESSIONAL BODY OF ITS KIND. CREATED TO FOSTER LEARNING AND RESEARCH ON THE TOPICS OF BRAIN AND BODY RADIOSURGERY, THE SOCIETY IS HIGHLY DEDICATED TO: 1. PROMOTING TECHNICAL DEVELOPMENTS IN STEREOTACTIC RADIOSURGERY 2. PROMOTING THE HIGHEST LEVELS OF CLINICAL EXPERTISE 3. CONVENING EVERY TWO YEARS AT THE ISRS CONGRESS THE ISRS FOSTERS TECHNICAL DEVELOPMENT AND RESEARCH ON THE TOPICS OF BRAIN AND BODY RADIOSURGERY BY HOLDING BIENNIAL CONGRESSES, MAINTAINING A WEBSITE, AND OTHER ACTIVITIES TO ENCOURAGE THE EXCHANGE OF INFORMATION. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | true |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 603478 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 639352 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 25231 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501cInd | 0 | X |
| IRS990/OrgDoesNotFollowFASB117Ind | 0 | X |
| IRS990/OtherExpensesGrp/Desc | 0 | EDUCATIONAL WEBINARS |
| IRS990/OtherExpensesGrp/Desc | 1 | EXCHANGE RATE EFFECT |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 27537 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 15646 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 217 |
| IRS990/PrincipalOfficerNm | 0 | MARC LEVIVIER MD |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 900099 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 900099 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 2 | 900099 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | CORPORATE SUBSIDIES |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | MEMBERSHIP DUES |
| IRS990/ProgramServiceRevenueGrp/Desc | 2 | EDUCATIONAL COURSES |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 120535 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 56596 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 2 | 15978 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 120535 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 56596 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 2 | 15978 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | THE ISRS WEBSITE IS REGULARLY UPDATED WITH NEWSFEEDS TO ATTRACT MORE MEMBERS FROM THE SECTOR. NEWSLETTERS ARE SENT BY EMAIL TO ALL ISRS MEMBERS. |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | THE ISRS ALSO HELPS TO PUBLISH THE "JOURNAL OF RADIOSURGERY AND SBRT (STEREOTACTIC BODY RADIATION THERAPY)", WHICH IS INTENDED TO FOSTER LEARNING AND RESEARCH IN THE RAPIDLY EMERGING AREA OF RADIOSURGERY / SBRT FOR THE BRAIN AND BODY SITES. |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 5983 |
| IRS990/PYInvestmentIncomeAmt | 0 | 115 |
| IRS990/PYOtherExpensesAmt | 0 | 108338 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 155181 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 40975 |
| IRS990/PYTotalExpensesAmt | 0 | 114321 |
| IRS990/PYTotalRevenueAmt | 0 | 155296 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 35874 |
| 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 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/EOYAmt | 0 | 639352 |
| IRS990/ScheduleBRequiredInd | 0 | false |
| IRS990ScheduleC/AgreeCarryoverPriorYearInd | 0 | false |
| IRS990ScheduleC/OnlyInHouseLobbyingInd | 0 | false |
| IRS990ScheduleC/SubstantiallyAllDuesNondedInd | 0 | true |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/EmployeeCnt | 0 | 1 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/OfficesCnt | 0 | 1 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTotalExpendituresAmt | 0 | 157333 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTxt | 0 | EUROPE |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/SpecificServicesProvidedTxt | 0 | ADMIN |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/TypeOfActivitiesConductedTxt | 0 | WEBSITE HOST, ADMIN |
| IRS990ScheduleF/BoycottCountriesInd | 0 | false |
| IRS990ScheduleF/ForeignCorpOwnershipInd | 0 | false |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/CashGrantAmt | 0 | 223 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/CashGrantAmt | 1 | 5000 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/CashGrantAmt | 2 | 2545 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/CashGrantAmt | 3 | 1018 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/MannerOfCashDisbursementTxt | 0 | CHECKS |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/MannerOfCashDisbursementTxt | 1 | CHECK |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/MannerOfCashDisbursementTxt | 2 | CHECK |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/MannerOfCashDisbursementTxt | 3 | CHECK |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RecipientCnt | 0 | 2 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RecipientCnt | 1 | 1 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RecipientCnt | 2 | 1 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RecipientCnt | 3 | 1 |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RegionTxt | 0 | EUROPE |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RegionTxt | 1 | EUROPE |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RegionTxt | 2 | EUROPE |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/RegionTxt | 3 | EUROPE |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/TypeOfAssistanceTxt | 0 | PRIZE - LATIN AWARDS |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/TypeOfAssistanceTxt | 1 | JACOB FABRIKANT AWARD |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/TypeOfAssistanceTxt | 2 | YOUNG PROFESSIONAL AWARD |
| IRS990ScheduleF/ForeignIndividualsGrantsGrp/TypeOfAssistanceTxt | 3 | YOUNG INVESTIGATOR AWARD |
| IRS990ScheduleF/ForeignPartnershipInd | 0 | false |
| IRS990ScheduleF/GrantRecordsMaintainedInd | 0 | false |
| IRS990ScheduleF/InterestInForeignTrustInd | 0 | false |
| IRS990ScheduleF/PassiveForeignInvestmestCoInd | 0 | false |
| IRS990ScheduleF/SubtotalEmployeesCnt | 0 | 1 |
| IRS990ScheduleF/SubtotalOfficesCnt | 0 | 1 |
| IRS990ScheduleF/SubtotalSpentAmt | 0 | 157333 |
| IRS990ScheduleF/SupplementalInformationDetail/ExplanationTxt | 0 | EUROPE 157,333 0 |
| IRS990ScheduleF/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | SCHEDULE F, PAGE 1, PART I, LINE 3 |
| IRS990ScheduleF/TotalEmployeeCnt | 0 | 1 |
| IRS990ScheduleF/TotalOfficeCnt | 0 | 1 |
| IRS990ScheduleF/TotalSpentAmt | 0 | 157333 |
| IRS990ScheduleF/TransferToForeignCorpInd | 0 | false |
| IRS990ScheduleI/GrantRecordsMaintainedInd | 0 | false |
| IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/CashGrantAmt | 0 | 12000 |
| IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/GrantTypeTxt | 0 | LARS LEKSELL FELLOWSHIP |
| IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/RecipientCnt | 0 | 1 |
| IRS990ScheduleI/SupplementalInformationDetail/ExplanationTxt | 0 | THE LARS LEKSELL FUNCTIONAL RADIOSURGERY FELLOWSHIP PROVIDES A 12,000 GRANT FOR A THREE-MONTH FELLOWSHIP TO STUDY RADIOSURGERY FOR FUNCTIONAL DISORDERS AT MARSEILLE UNIVERSITY HOSPITAL, LA TIMONE, FRANCE, BEGINNING IN SEPTEMBER OF THE YEAR IN WHICH IT IS AWARDED. |
| IRS990ScheduleI/SupplementalInformationDetail/ExplanationTxt | 1 | THE LARS LEKSELL FUNCTIONAL RADIOSURGERY FELLOWSHIP PROVIDES A 12,000 GRANT FOR A THREE-MONTH FELLOWSHIP TO STUDY RADIOSURGERY FOR FUNCTIONAL DISORDERS AT MARSEILLE UNIVERSITY HOSPITAL, LA TIMONE, FRANCE. THIS FELLOWSHIP IS UNDER THE DIRECTION OF ISRS. THE INDIVIDUAL RECEIVING THE FELLOWSHIP AWARD IS RECOGNIZED AT THE ISRS BIENNIAL CONGRESS, AND THE FELLOWSHIP STARTS IN SEPTEMBER OF THE YEAR OF THE ISRS CONGRESS. CANDIDATES MUST HAVE SUCCESSFULLY COMPLETED AN ACCREDITED RESIDENCY TRAINING PROGRAM AND BE BOARD CERTIFIED IN NEUROLOGICAL SURGERY OR RADIATION ONCOLOGY. |
| IRS990ScheduleI/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | SCHEDULE I, PAGE 1, PART I, LINE 2 |
| IRS990ScheduleI/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | SCHEDULE I, PAGE 4, PART IV |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE INTERNATIONAL STEREOTACTIC RADIOSURGERY SOCIETY (ISRS) WAS FOUNDED AS A WORLDWIDE ORGANIZATION IN 1991 AND REMAINS THE ONLY PROFESSIONAL BODY OF ITS KIND. CREATED TO FOSTER LEARNING AND RESEARCH ON THE TOPICS OF BRAIN AND BODY RADIOSURGERY, THE SOCIETY IS HIGHLY DEDICATED TO: 1. PROMOTING TECHNICAL DEVELOPMENTS IN STEREOTACTIC RADIOSURGERY 2. PROMOTING THE HIGHEST LEVELS OF CLINICAL EXPERTISE 3. CONVENING EVERY TWO YEARS AT THE ISRS CONGRESS THE ISRS FOSTERS TECHNICAL DEVELOPMENT AND RESEARCH ON THE TOPICS OF BRAIN AND BODY RADIOSURGERY BY HOLDING BIENNIAL CONGRESSES, MAINTAINING A WEBSITE, AND OTHER ACTIVITIES TO ENCOURAGE THE EXCHANGE OF INFORMATION. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | FRANCE |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THE ORGANIZATION HAS CONTRACTED WITH AN OUTSIDE MANAGEMENT COMPANY SO THAT THE MANAGEMENT COMPANY WILL HANDLE ORGANIZATION OF THE BIENNIAL CONGRESS WITH THE RELATED REVENUES AND EXPENSES. THE MANAGEMENT COMPANY ALSO HANDLES THE ORGANIZATION'S MEMBERSHIP DUES AND MAINTAINS THE WEBSITE AND MEMBERSHIP LISTS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | A COPY OF THE FORM 990 IS EMAILED TO THE OFFICERS FOR THEIR REVIEW PRIOR TO FINALIZATION OF THE FORM 990. THE FINAL COPY OF THE FORM 990 IS SENT TO THE OFFICER RESPONSIBLE FOR SIGNING AND FILING THE FORM 990, WHO REVIEWS THE FORM 990 PRIOR TO SIGNING AND FILING IT. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | THE ORGANIZATION'S CONFLICT OF INTEREST POLICY IS MONITORED THROUGH THE DAY-TO-DAY COMMUNICATION BETWEEN THE GOVERNING BODY AND THE HEADQUARTER SECRETARIAT (LOCATED IN MCO CONGRES MARSEILLE, FRANCE). IF A CONFLICT OF INTEREST SHOULD ARISE, THE BYLAWS (SECTION 9 - RESIGNATION AND REMOVAL) STATE THAT "WHENEVER, IN THE JUDGEMENT OF THE BOARD OF DIRECTORS, THE BEST INTERESTS OF THE ISRS WILL BE SERVED, ANY MEMBER MAY BE REMOVED FROM OFFICE BY TWO-THIRDS VOTE OF THE MEMBERS OF THE BOARD OF DIRECTORS IN OFFICE, AT ANY MEETING OF THE BOARD OF DIRECTORS DULY CALLED AT WHICH A QUORUM IS PRESENT." |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | THE ORGANIZATION DOES NOT COMPENSATE ITS OFFICERS OR DIRECTORS, NOR DOES IT HAVE ANY EMPLOYEES. IT HAS CONTRACTED WITH AN INDEPENDENT OUTSIDE ORGANIZATION TO PROVIDE ADMINISTRATIVE AND FINANCIAL SERVICES. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 6 | X |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 7 | CONSULTING 29,605 0 0 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990 - ORGANIZATION'S MISSION |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART V, LINE 4B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PAGE 6, PART VI, LINE 3 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PAGE 6, PART VI, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PAGE 6, PART VI, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | FORM 990, PAGE 6, PART VI, LINE 15A |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 6 | FORM 990, PAGE 6, PART VI, LINE 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 7 | FORM 990, PART IX, LINE 11G |
| IRS990/SchoolOperatingInd | 0 | false |
| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | false |
| IRS990/SubjectToProxyTaxInd | 0 | true |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | false |
| IRS990/TaxablePartyNotificationInd | 0 | false |
| IRS990/TaxExemptBondsInd | 0 | false |
| IRS990/TerminateOperationsInd | 0 | false |
| IRS990/TotalAssetsBOYAmt | 0 | 605471 |
| IRS990/TotalAssetsEOYAmt | 0 | 639352 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 605471 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 639352 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalEmployeeCnt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 157333 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 1993 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 1993 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 603478 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 639352 |
| IRS990/TotalProgramServiceRevenueAmt | 0 | 193109 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 193207 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 193207 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 605471 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 639352 |
| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | false |
| IRS990/UponRequestInd | 0 | X |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 11 |
| IRS990/VotingMembersIndependentCnt | 0 | 11 |
| IRS990/WebsiteAddressTxt | 0 | WWW.ISRSY.ORG |
| IRS990/WhistleblowerPolicyInd | 0 | false |
| ReturnHeader/BuildTS | 0 | 2023-04-26 12:10:37Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | MARC LEVIVIER MD |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | PRESIDENT |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 3523731080 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2023-08-14 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | INTERNAT'L STEREOTACTIC RADIOSURGER |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | INTE |
| ReturnHeader/Filer/EIN | 0 | 043146650 |
| ReturnHeader/Filer/PhoneNum | 0 | 3523731080 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | C/O MCDAVID JONES 4711 NW 53RD AVE |
| ReturnHeader/Filer/USAddress/CityNm | 0 | GAINESVILLE |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | FL |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 32653 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 465361959 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | MCDAVID JONES & COMPANY CPA'S |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 4711 NW 53RD AVE |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | GAINESVILLE |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | FL |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 326534356 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 3523731080 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2023-08-14 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | WILLIAM JONES |
| ReturnHeader/ReturnTs | 0 | 2023-08-14T12:52:29-04:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/SigningOfficerGrp/PersonFullName/PersonFirstNm | 0 | MARC |
| ReturnHeader/SigningOfficerGrp/PersonFullName/PersonLastNm | 0 | LEVIVIER |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2021-10-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2022-09-30 |
| ReturnHeader/TaxYr | 0 | 2021 |
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Displayed year
2022 • Form 990Detailed filing. Detailed filing data is available for this year.
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