| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 191529 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 67552 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 249671 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 34758 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | ENVIRONMENTAL LEARNING FOR KIDS ("ELK") MISSION IS TO CULTIVATE A PASSION IN SCIENCE, LEADERSHIP AND SERVICE IN A DIVERSE COMMUNITY OF LEARNERS. |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 0 |
| IRS990/AllAffiliatesIncludedInd | 0 | false |
| IRS990/AllOtherContributionsAmt | 0 | 563818 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 10456 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 5594 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 64935 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 80985 |
| IRS990/AmendedReturnInd | 0 | X |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | BEN GREGORY |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 3032917553 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | PO BOX 21679 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | DENVER |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CO |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 80221 |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 0 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 7000 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 9917 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 53083 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 70000 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | true |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/ContriRptFundraisingEventAmt | 0 | 74535 |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 1283190 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 3433 |
| IRS990/CYOtherExpensesAmt | 0 | 199084 |
| IRS990/CYOtherRevenueAmt | 0 | -14383 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 123755 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 646232 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 520679 |
| IRS990/CYTotalExpensesAmt | 0 | 749763 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 91563 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 30000 |
| IRS990/CYTotalRevenueAmt | 0 | 1395995 |
| IRS990/DAFExcessBusinessHoldingsInd | 0 | false |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 630 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 1030 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 5300 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 6960 |
| IRS990/Desc | 0 | ENVIRONMENTAL LEARNING FOR KIDS ("ELK") MISSION IS TO CULTIVATE A PASSION IN SCIENCE, LEADERSHIP AND SERVICE IN A DIVERSE COMMUNITY OF LEARNERS. THE NUMBER OF PERSONS BENEFITED DURING 2017 WAS 22,877. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DistributionToDonorInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 24 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/EscrowAccountInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 554801 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 16491 |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 271 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 16762 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesProfFundraising/FundraisingAmt | 0 | 30000 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 30000 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form1098CFiledInd | 0 | false |
| IRS990/Form8282FiledCnt | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form8899Filedind | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 9 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 10 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 11 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 12 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 13 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 14 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 4.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 4.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 4.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 4.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 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/AverageHoursPerWeekRt | 12 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 40.00 |
| 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/IndividualTrusteeOrDirectorInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 13 | 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/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/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | JAIME CABRERA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | LAURIE TROGE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | JENNIFER DUNN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | RENEE WRIEDT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | HEATH PORT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | TARA ALDERFER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | JOEDY ARNOLD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | ANN BENNETT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | NICOLE JACKSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | MEREDITH KNAUF |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | MIKE MARES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | MUSTAFA MENEKSE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | RYAN NICHOLS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | BREE WAROT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | LORETTA PINEDA |
| 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/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 70000 |
| 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/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | CHAIRPERSON |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Vice CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIR/PAST CHAIR |
| 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 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | Executive Dir. |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/Form990TFiledInd | 0 | false |
| IRS990/FormationYr | 0 | 1996 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | true |
| IRS990/FundraisingActivitiesInd | 0 | true |
| IRS990/FundraisingAmt | 0 | 74535 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 17573 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 2300 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 14 |
| IRS990/GovernmentGrantsAmt | 0 | 617446 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 1413568 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | true |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | true |
| IRS990/IndependentVotingMemberCnt | 0 | 14 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 0 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 1182 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 1935 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 9971 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 13088 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/InterestGrp/TotalAmt | 0 | 0 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 3433 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 3433 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 0 |
| IRS990/InvestTaxExemptBondsInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 7 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 58254 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 14810 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 7850 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 66104 |
| IRS990/LegalDomicileStateCd | 0 | CO |
| IRS990/LicensedMoreThanOneStateInd | 0 | false |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | false |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | ENVIRONMENTAL LEARNING FOR KIDS ("ELK") MISSION IS TO CULTIVATE A PASSION IN SCIENCE, LEADERSHIP AND SERVICE IN A DIVERSE COMMUNITY OF LEARNERS. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 2110332 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 2756564 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | -15273 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NondeductibleContributionsInd | 0 | true |
| IRS990/NondeductibleContriDisclInd | 0 | true |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 1043 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 1704 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 8774 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 11521 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 427 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 602 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 3217 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 4246 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OnBehalfOfIssuerInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OrgFiledInLieuOfForm1041Ind | 0 | false |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 1079115 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 2131808 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 1740 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 2841 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 14616 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 19197 |
| IRS990/OtherExpensesGrp/Desc | 0 | PROGRAM MEALS |
| IRS990/OtherExpensesGrp/Desc | 1 | PROFESSIONAL FEES |
| IRS990/OtherExpensesGrp/Desc | 2 | EDUCATIONAL STIPENDS |
| IRS990/OtherExpensesGrp/Desc | 3 | OUTSIDE SERVICES |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 213 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 650 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 340 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 18225 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 18000 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 14296 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 10075 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 18225 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 18000 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 14849 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 10725 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | MISCELLANEOUS |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 890 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 890 |
| IRS990/OtherRevenueTotalAmt | 0 | 890 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 33632 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 56587 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 297355 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 387574 |
| IRS990/OthNotesLoansReceivableNetGrp/EOYAmt | 0 | 0 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PaymentsToAffiliatesGrp/TotalAmt | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 2964 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 4856 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 26650 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 34470 |
| IRS990/PensionPlanContributionsGrp/FundraisingAmt | 0 | 854 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 1397 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 7187 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 9438 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 15816 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 10380 |
| IRS990/PrincipalOfficerNm | 0 | LORETTA PINEDA |
| IRS990/ProfessionalFundraisingInd | 0 | true |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | PROGRAM FEES |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 123755 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 123755 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 1385608 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 1016 |
| IRS990/PymtTravelEntrtnmntPubOfclGrp/TotalAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 221913 |
| IRS990/PYOtherRevenueAmt | 0 | -11539 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 92624 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 693933 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 515413 |
| IRS990/PYTotalExpensesAmt | 0 | 773776 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 36450 |
| IRS990/PYTotalRevenueAmt | 0 | 1467709 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvblFromDisqualifiedPrsnGrp/EOYAmt | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReceivablesFromOfficersEtcGrp/EOYAmt | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 646232 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/RelatedOrganizationsAmt | 0 | 27391 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | true |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 123755 |
| IRS990/RoyaltiesGrp/TotalAmt | 0 | 0 |
| IRS990/RoyaltiesRevenueGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 942449 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 639320 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 1283190 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 1385608 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 1170523 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 823133 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 583068 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 5245522 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 3433 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 1016 |