Liabilities / Assets
14th percentile
Higher debt load relative to assets than 14% of similar nonprofits.
Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.
Liabilities / Assets
14th percentile
Higher debt load relative to assets than 14% of similar nonprofits.
Liabilities / Revenue
17th percentile
Higher debt load relative to revenue than 17% of similar nonprofits.
Net Margin
82nd percentile
Higher net margin than 82% of similar nonprofits.
Top Officer Pay
21st percentile
Higher top officer pay than 21% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
45th percentile
Faster asset growth than 45% of similar nonprofits.
Revenue Growth
33rd percentile
Faster revenue growth than 33% of similar nonprofits.
Assets
Up$5,815,622
Up $247,208 (+4.4%) from 2019
Net Assets
Up$5,786,360
Up $544,360 (+10%) from 2019
Liabilities
Down$29,262
Down $297,152 (-91%) from 2019
Revenue
Down$941,638
Down $65,881 (-6.5%) from 2019
Expenses
Down$661,932
Down $286,472 (-30%) from 2019
Net Income
Up$279,706
Up $220,591 (+373%) from 2019
To advance knowledge of hip disorders, promote evidence-based treatment, and refine surgery of the hip in order to improve the lives of patients.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $4,946,640 | $4,766,343 | ▼ $180,297 |
| Cash and Non-Interest-Bearing Accounts | $378,541 | $329,787 | ▼ $48,754 |
| Accounts Receivable | $39,185 | $178,170 | ▲ $138,985 |
| Prepaid Expenses and Deferred Charges | $54,048 | $41,322 | ▼ $12,726 |
| Total Assets | $5,568,414 | $5,815,622 | ▲ $247,208 |
| Other Assets Total | $150,000 | $500,000 | ▲ $350,000 |
| Liabilities | |||
| Deferred Revenue | $264,435 | $25,500 | ▼ $238,935 |
| Accounts Payable and Accrued Expenses | $61,979 | $3,762 | ▼ $58,217 |
| Total Liabilities | $326,414 | $29,262 | ▼ $297,152 |
| Net Assets / Fund Balance | |||
| Net Assets With Donor Restrictions | $3,868,701 | $4,167,701 | ▲ $299,000 |
| Net Assets Without Donor Restrictions | $1,373,299 | $1,618,659 | ▲ $245,360 |
| Total Net Assets Fund Balance | $5,242,000 | $5,786,360 | ▲ $544,360 |
| Total Liabilities and Net Assets / Fund Balance | $5,568,414 | $5,815,622 | ▲ $247,208 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Other Assets Org | $500,000 | - | - |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2020 | $213,604 | - | ▲ $26,029 | - | $239,633 |
| 2019 | $180,480 | - | ▲ $33,124 | - | $213,604 |
| 2018 | $189,386 | - | ▼ $8,906 | - | $180,480 |
| 2017 | $165,310 | - | ▲ $24,076 | - | $189,386 |
| 2016 | $154,491 | - | ▲ $10,819 | - | $165,310 |
| Name | Title |
|---|---|
| Adolph V Lombardi Jr Md | Committee Chair |
| John C Clohisy Md | Committee Chair |
| Richard Iorio Md | Committee Chair |
| William L Griffin Md | Committee Chair |
| Joshua J Jacobs Md | Immediate Past President |
| Robert L Barrack Md | President |
| C Anderson Engh Jr Md | 1st Vice President |
| Jay R Lieberman Md | 2nd Vice President |
| William a Jiranek Md | 3rd Vice President |
| George J Haidukewych Md | Member at Large |
| Don S Garbuz Md | Secretary |
| Matthias Pg Bostrom Md | Treasurer |
| Contractor | Services | Location | Compensation |
|---|---|---|---|
| Aaos | Management | 9400 W HIGGINS ROAD, Rosemont, IL 60018 | $252,861 |
| Line Item | Amount |
|---|---|
| Other Expenses | $660,932 |
| Grants and Similar Amounts Paid | $1,000 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Conferences and Meetings | $385,962 | - | - | $385,962 |
| Fees for Services Management | - | $190,861 | - | $190,861 |
| Fees for Service Investment Mgmnt Fees | - | $32,920 | - | $32,920 |
| Fees for Services Accounting | - | $6,700 | - | $6,700 |
| Other Expenses | $4,107 | $3,875 | - | $3,875 |
| Fees for Services Legal | - | $3,757 | - | $3,757 |
| Insurance | - | $2,445 | - | $2,445 |
| Information Technology | - | $1,857 | - | $1,857 |
| Grants to Domestic Orgs | $1,000 | - | - | $1,000 |
| Office Expenses | - | $705 | - | $705 |
| Total Functional Expenses | $406,029 | $255,903 | $0 | $661,932 |
| Line Item | Amount |
|---|---|
| Total Expenses per Form 990 | $661,932 |
| Expenses per Audited Statements | $629,012 |
| Total Expenses per Audited Statements | $629,012 |
| Expenses Not Reported on Financial Statements | $32,920 |
| Expenses Not Reported on Form 990 | $0 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“Management services are provided by american academy of orthopaedic surgeons.”
“The organization is composed of members, including active, adjunct, senior, senior adjunct, honorary and emeritus members.”
“Voting members have the right to elect the board.”
“The form 990 is provided to the board of directors for review prior to filing. Any questions raised as a result of the board review are resolved prior to the filing of the form.”
“The disclosures are managed and reinforced by aaos, via the online disclosure mechanism.”
“The governing documents are made available to the public upon request.”
“The society's endowment funds are to be held in perpetuity and investment income is to be utilized for the society's mission.”
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 | 61979 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 3762 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 39185 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 178170 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | TO ADVANCE KNOWLEDGE OF HIP DISORDERS, PROMOTE EVIDENCE-BASED TREATMENT, AND REFINE SURGERY OF THE HIP IN ORDER TO IMPROVE THE LIVES OF PATIENTS. |
| IRS990/AddressChangeInd | 0 | X |
| IRS990/AllOtherContributionsAmt | 0 | 186987 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | OLGA FOLEY |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 8476981638 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1515 E WOODFIELD RD 345 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | SCHAUMBURG |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | IL |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 60173 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 378541 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 329787 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 0 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 385962 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 385962 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 252861 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 9400 W HIGGINS ROAD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | ROSEMONT |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | IL |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 60018 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | AAOS |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | MANAGEMENT |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 186987 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 1000 |
| IRS990/CYInvestmentIncomeAmt | 0 | 108652 |
| IRS990/CYOtherExpensesAmt | 0 | 660932 |
| IRS990/CYOtherRevenueAmt | 0 | 3450 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 642549 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 279706 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 661932 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 941638 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 264435 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 25500 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 1 |
| IRS990/Desc | 0 | MEETINGS FOR ORTHOPAEDIC SURGEONS AND ENGINEERS WHO HAVE AN INTEREST IN THE HIP SURGERY AND FULL DAY EDUCATIONAL PROGRAM DIVIDED INTO SYMPOSIA AND A SESSION OF AWARD PAPERS. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 3868701 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 4167701 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 1 |
| IRS990/ElectionOfBoardMembersInd | 0 | 1 |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 385962 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 6700 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 6700 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 3757 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 3757 |
| IRS990/FeesForServicesManagementGrp/ManagementAndGeneralAmt | 0 | 190861 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 190861 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 32920 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 32920 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| 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 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 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/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 6 | 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 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | JOSHUA J JACOBS MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | ROBERT L BARRACK MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | C ANDERSON ENGH JR MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | DON S GARBUZ MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | JAY R LIEBERMAN MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | JOHN C CLOHISY MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | WILLIAM A JIRANEK MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | WILLIAM L GRIFFIN MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | ADOLPH V LOMBARDI JR MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | GEORGE J HAIDUKEWYCH MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | RICHARD IORIO MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | MATTHIAS PG BOSTROM MD |
| 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/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/TitleTxt | 0 | IMMEDIATE PAST PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | 1ST VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | 2ND VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | COMMITTEE CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | 3RD VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | COMMITTEE CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | COMMITTEE CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | MEMBER AT LARGE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | COMMITTEE CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | TREASURER |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1968 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 12 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 1000 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 1000 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 941638 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 12 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 1857 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 1857 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 2445 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 2445 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 108652 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 108652 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 4946640 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 4766343 |
| IRS990/IRPDocumentCnt | 0 | 14 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | IL |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 1 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | TO ADVANCE KNOWLEDGE OF HIP DISORDERS, PROMOTE EVIDENCE-BASED TREATMENT, AND REFINE SURGERY OF THE HIP IN ORDER TO IMPROVE THE LIVES OF PATIENTS. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 5242000 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 5786360 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 264654 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 1373299 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 1618659 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 705 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 705 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 150000 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 500000 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/Desc | 0 | FELLOWSHIP EXPENSE |
| IRS990/OtherExpensesGrp/Desc | 1 | MISCELLANEOUS |
| IRS990/OtherExpensesGrp/Desc | 2 | BOARD & COMMITTEE |
| IRS990/OtherExpensesGrp/Desc | 3 | TRANSITION |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 12783 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 3875 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 14960 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 4107 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 14960 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 12783 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 4107 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 3875 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 900099 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | MISCELLANEOUS |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 0 | 3450 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 3450 |
| IRS990/OtherRevenueTotalAmt | 0 | 3450 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 54048 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 41322 |
| IRS990/PrincipalOfficerNm | 0 | MATHIAS PG BOSTROM |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 611430 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 813910 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 2 | 611430 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 3 | 611430 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | JAMM MEETING |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | MEMBERSHIP DUES |
| IRS990/ProgramServiceRevenueGrp/Desc | 2 | COURSE |
| IRS990/ProgramServiceRevenueGrp/Desc | 3 | SPECIALTY DAY REVENUE |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 280930 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 187150 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 2 | 158719 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 3 | 15750 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 280930 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 187150 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 2 | 158719 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 3 | 15750 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | EXPENSES TO SUPPORT MEMBER MEETINGS. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 4107 |
| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 187150 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | AWARDS TO ORGANIZATIONS TO PROMOTE RESEARCH ON THE FIELD OF ORTHOPAEDIC SURGERY. |
| IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt | 0 | 15960 |
| IRS990/ProgSrvcAccomActy3Grp/GrantAmt | 0 | 1000 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 111015 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 53000 |
| IRS990/PYInvestmentIncomeAmt | 0 | 113997 |
| IRS990/PYOtherExpensesAmt | 0 | 895404 |
| IRS990/PYOtherRevenueAmt | 0 | 2598 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 779909 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 59115 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/PYTotalExpensesAmt | 0 | 948404 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 1007519 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 279706 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 0 |
| IRS990/ReportOtherAssetsInd | 0 | 1 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 455399 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus1YearAmt | 0 | 50000 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus2YearsAmt | 0 | 50000 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus3YearsAmt | 0 | 50000 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus4YearsAmt | 0 | 300000 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt | 0 | 450000 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 374137 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 298005 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 277667 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 238250 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 633250 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 1821309 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 108652 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 116595 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 165597 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 153603 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 143898 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 688345 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 455399 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 592919 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 454472 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt | 0 | 213030 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt | 0 | 190080 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 1905900 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 108652 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 116595 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 165597 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt | 0 | 153603 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt | 0 | 143898 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 688345 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.15580 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.14710 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearAmt | 0 | 3450 |
| IRS990ScheduleA/OtherIncome509Grp/TotalAmt | 0 | 3450 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.71660 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.68820 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 3166625 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearAmt | 0 | 110584 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus1YearAmt | 0 | 50000 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus2YearsAmt | 0 | 50000 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus3YearsAmt | 0 | 50000 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus4YearsAmt | 0 | 300000 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/TotalAmt | 0 | 560584 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/CurrentTaxYearAmt | 0 | 110584 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/TotalAmt | 0 | 110584 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 829536 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 890924 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 732139 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 451280 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 823330 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 3727209 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 941638 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 1007519 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 897736 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 604883 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 967228 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 4419004 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | 1 |
| IRS990ScheduleD/CYEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 213604 |
| IRS990ScheduleD/CYEndwmtFundGrp/EndYearBalanceAmt | 0 | 239633 |
| IRS990ScheduleD/CYEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 26029 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 180480 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 213604 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 33124 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 189386 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 180480 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | -8906 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 165310 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 189386 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 24076 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 154491 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 165310 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 10819 |
| IRS990ScheduleD/EndowmentsHeldRelatedOrgInd | 0 | 0 |
| IRS990ScheduleD/EndowmentsHeldUnrelatedOrgInd | 0 | 0 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 32920 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 629012 |
| IRS990ScheduleD/InvestmentExpensesNotIncld2Amt | 0 | 32920 |
| IRS990ScheduleD/InvestmentExpensesNotIncldAmt | 0 | 32920 |
| IRS990ScheduleD/NetUnrealizedGainsInvstAmt | 0 | 264654 |
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Displayed year
2020 • Form 990Detailed filing. Detailed filing data is available for this year.