| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 7496 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 13440 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 1796 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | EDUCATION - SCHOOL |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 3355 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 11232 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 14587 |
| IRS990/AllOtherContributionsAmt | 0 | 5857 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 6220 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 20828 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 27048 |
| IRS990/AmendedReturnInd | 0 | X |
| IRS990/BackupWthldComplianceInd | 0 | 0 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | MASAKO VONDRUS |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 2133834706 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1218 MENLO AVENUE |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | LOS ANGELES |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 90006 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CapStkTrPrinCurrentFundsGrp/BOYAmt | 0 | 0 |
| IRS990/CapStkTrPrinCurrentFundsGrp/EOYAmt | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 191575 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 276142 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 33926 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 32405 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 66331 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 0 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 0 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 5857 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 1869782 |
| IRS990/CYOtherExpensesAmt | 0 | 194488 |
| IRS990/CYOtherRevenueAmt | 0 | 130055 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 245224 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 1783254 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 271286 |
| IRS990/CYTotalExpensesAmt | 0 | 467664 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 1890 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 1890 |
| IRS990/CYTotalRevenueAmt | 0 | 2250918 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 5152 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 17249 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 22401 |
| IRS990/Desc | 0 | CONDUCTED JAPANESE LANGUAGE AND CULTURAL CLASSES TO APPROXIMATELY 300 STUDENTS IN SOUTHERN CALIFORNIA |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 0 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 33 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 380573 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 2576 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 2576 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 8622 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 8622 |
| IRS990/FeesForServicesProfFundraising/FundraisingAmt | 0 | 1890 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 1890 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 4.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 17.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | 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 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | TAKAKO OSUMI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | MASAKO KOBAYASHI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | MASAMI TANAKA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | MASAKO VONDRUS |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 6485 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 43200 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 16646 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | CHAIRPERSON OF THE BOARD OF TRUSTEES |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | CHAIRPERSON OF THE BOARD OF REPRESENTATIVES |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | PRINCIPAL |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TREASURER |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 0 |
| IRS990/Form990TFiledInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1948 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedInd | 0 | 0 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | 1869576 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 3 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/OtherAmt | 0 | 2600000 |
| IRS990/GrossReceiptsAmt | 0 | 3050098 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 243104 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 1 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 5966 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 19971 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 25937 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 5407 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 4409 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 206 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 206 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 2290707 |
| IRS990/IRPDocumentCnt | 0 | 16 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 21425 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 482675 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 8745 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 30170 |
| IRS990/LegalDomicileStateCd | 0 | CA |
| IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt | 0 | 730424 |
| IRS990/LessRentalExpensesGrp/RealAmt | 0 | 68756 |
| 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 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | THE PURPOSE OF JAPANESE LANGUAGE UNIFIED SYSTEM IS TO TEACH JAPANESE LANGUAGE AND IMPART KNOWLEDGE OF JAPANESE CULTURE UNDER THE PRINCIPAL OF THE COOPERATIVE SPIRIT IN THE EDUCATION OF THE STUDENTS AND IN THE ADMINISTRATION OF THE SCHOOL. JAPANESE LANGUAGE UNIFIED SYSTEM IS TO WORK DILIGENTLY TOWARD BUILDING THE CHARACTER OF THE STUDENT AND FOSTER CAPABLE CITIZENS FOR THE BENEFIT OF SOCIETY. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 828792 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 2569308 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 1869576 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 1869576 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | 174348 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 174348 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | -25113 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrgDoesNotFollowSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 1150 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 1625 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 960 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 3215 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 4175 |
| IRS990/OtherExpensesGrp/Desc | 0 | REPAIRS AND MAINTENANCE |
| IRS990/OtherExpensesGrp/Desc | 1 | OUTSIDE SERVICES |
| IRS990/OtherExpensesGrp/Desc | 2 | UTILITIES |
| IRS990/OtherExpensesGrp/Desc | 3 | MISCELLANEOUS |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 9484 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 6102 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 3109 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 3 | 2769 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 31752 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 20427 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 10410 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 9264 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 41236 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 26529 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 13519 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 12033 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 14065 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 6620 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 900000 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | RENTAL INCOME |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 0 | -19180 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | -44293 |
| IRS990/OtherRevenueMiscGrp/UnrelatedBusinessRevenueAmt | 0 | -25113 |
| IRS990/OtherRevenueTotalAmt | 0 | -44293 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 176511 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 176511 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 5582 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 18687 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 24269 |
| IRS990/PdInCapSrplsLandBldgEqpFundGrp/BOYAmt | 0 | 0 |
| IRS990/PdInCapSrplsLandBldgEqpFundGrp/EOYAmt | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrincipalOfficerNm | 0 | MASAMI TANAKA |
| IRS990/PriorPeriodAdjustmentsAmt | 0 | -42738 |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 611110 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 611110 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 2 | 611110 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 3 | 611110 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | TUITION |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | SCHOOL PROGRAM REVENUE |
| IRS990/ProgramServiceRevenueGrp/Desc | 2 | SPEECH CONTEST |
| IRS990/ProgramServiceRevenueGrp/Desc | 3 | CREDIT TEST |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 194306 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 48424 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 2 | 1400 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 3 | 1094 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 194306 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 48424 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 2 | 1400 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 3 | 1094 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 2620 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 306 |
| IRS990/PYOtherExpensesAmt | 0 | 196979 |
| IRS990/PYOtherRevenueAmt | 0 | 151597 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 218166 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -84219 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 259929 |
| IRS990/PYTotalExpensesAmt | 0 | 456908 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 372689 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 1783254 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 174348 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 1 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 245224 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/BOYAmt | 0 | 828792 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/EOYAmt | 0 | 2569308 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 148610 |
| IRS990ScheduleA/SchoolInd | 0 | X |
| IRS990/ScheduleBRequiredInd | 0 | 0 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 7170 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 18291 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 25461 |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 1575 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 3134 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 4709 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 4765 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 1 | 1855 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | SECURITY DEPOSITS |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 1 | OTHER LONG TERM LIABILITES |
| IRS990ScheduleD/OtherSecuritiesGrp/BookValueAmt | 0 | 2290707 |
| IRS990ScheduleD/OtherSecuritiesGrp/Desc | 0 | INVESTMENTS |
| IRS990ScheduleD/OtherSecuritiesGrp/MethodValuationCd | 0 | C |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 8745 |
| IRS990ScheduleD/TotalBookValueSecuritiesAmt | 0 | 2290707 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 6620 |
| IRS990ScheduleE/ComplianceWithRevProc7550Ind | 0 | 1 |
| IRS990ScheduleE/DiscriminateRaceAdmissPlcyInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceAthltProgInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceEducPlcyInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceEmplmFcultyInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceOtherActyInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceSchsInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceStdntsRghtsInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceUseOfFcltsInd | 0 | 0 |
| IRS990ScheduleE/GovernmentFinancialAidRcvdInd | 0 | 0 |
| IRS990ScheduleE/GovernmentFinancialAidRvkdInd | 0 | 0 |
| IRS990ScheduleE/MaintainCpyOfAllSolInd | 0 | 1 |
| IRS990ScheduleE/MaintainCpyOfBrochuresEtcInd | 0 | 1 |
| IRS990ScheduleE/MaintainRacialCompRecsInd | 0 | 1 |
| IRS990ScheduleE/MaintainScholarshipsRecsInd | 0 | 1 |
| IRS990ScheduleE/NondiscriminatoryPolicyStmtInd | 0 | 1 |
| IRS990ScheduleE/PlcyPblczdViaBroadcastMediaInd | 0 | 1 |
| IRS990ScheduleE/PolicyStmtInBrochuresEtcInd | 0 | 1 |
| IRS990/ScheduleJRequiredInd | 0 | 0 |
| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE FORM 990 RETURN IS BEING AMENDED TO REFLECT A CHANGE IN THE PORTION OF RENTAL INCOME REPORTED AS UNRELATED BUSINESS INCOME ON THE FORM 990T FILED BY THE ORGANIZATION. ACCORDINGLY, FORM 990, PART VIII, COLUMNS C AND D OF LINE 11A WERE ALSO REVISED TO REPORT THE UPDATED AMOUNTS. ADDITIONALLY, THE TOTAL UNRELATED BUSINESS REVENUE AND NET TAXABLE LOSS REPORTED ON LINES 7A AND 7B ON PAGE ONE OF THE FORM 990 WERE ALSO UPDATED. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | DATA IS COMPILED BY THIRD PARTY ACCOUNTING FIRM WHO PREPARES THE TAX RETURNS BASED ON THE INFORMATION. SUBSEQUENTLY THE COMPLETED TAX RETURN IS REVIEWED BY THE SCHOOL PRINCIPAL, ORGANIZATION'S CHAIRMAN AND TREASURER BEFORE IT IS FILED WITH THE IRS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | DOCUMENTS WILL BE AVAILABLE ONLY UPON REQUEST FROM PUBLIC. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | AMENDED RETURN EXPLANATION: |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION B, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART VI, SECTION C, LINE 19 |
| IRS990/SchoolOperatingInd | 0 | 1 |
| IRS990/SignificantChangeInd | 0 | 0 |
| IRS990/SignificantNewProgramSrvcInd | 0 | 0 |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | CA |
| IRS990/SubjectToProxyTaxInd | 0 | 0 |
| IRS990/TaxablePartyNotificationInd | 0 | 0 |
| IRS990/TaxExemptBondsInd | 0 | 0 |
| IRS990/TempOrPermanentEndowmentsInd | 0 | 0 |
| IRS990/TerminateOperationsInd | 0 | 0 |
| IRS990/TotalAssetsBOYAmt | 0 | 842857 |
| IRS990/TotalAssetsEOYAmt | 0 | 2583424 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 842857 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 2583424 |
| IRS990/TotalCompGreaterThan150KInd | 0 | 0 |
| IRS990/TotalContributionsAmt | 0 | 5857 |
| IRS990/TotalEmployeeCnt | 0 | 33 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 1890 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 85201 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 380573 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 467664 |
| IRS990/TotalGrossUBIAmt | 0 | -25113 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 14065 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 14116 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 14065 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 14116 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 828792 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 2569308 |
| IRS990/TotalOtherCompensationAmt | 0 | 0 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 380573 |
| IRS990/TotalProgramServiceRevenueAmt | 0 | 245224 |
| IRS990/TotalReportableCompFromOrgAmt | 0 | 66331 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 2024950 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 245224 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 2250918 |
| IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | -25113 |
| IRS990/TotalVolunteersCnt | 0 | 10 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 842857 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 2583424 |
| IRS990/TotReportableCompRltdOrgAmt | 0 | 0 |
| IRS990/TrnsfrExmptNonChrtblRltdOrgInd | 0 | 0 |
| IRS990/TypeOfOrganizationOtherInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | 1 |
| IRS990/UponRequestInd | 0 | X |
| IRS990/USAddress/AddressLine1Txt | 0 | 1218 MENLO AVENUE |
| IRS990/USAddress/CityNm | 0 | LOS ANGELES |
| IRS990/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/USAddress/ZIPCd | 0 | 90006 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 3 |
| IRS990/VotingMembersIndependentCnt | 0 | 1 |
| IRS990/WebsiteAddressTxt | 0 | HTTP://KYODOSYSTEM.ORG/EN/ |
| IRS990/WhistleblowerPolicyInd | 0 | 0 |
| ReturnHeader/BuildTS | 0 | 2019-02-21 02:37:17Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | 1 |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | KIYOSHI MURAKATA |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | EXECUTIVE VICE PRESIDENT |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 2133834706 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2018-12-17 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | JAPANESE LANGUAGE SCHOOL UNIFIED SYSTEM |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | JAPA |
| ReturnHeader/Filer/EIN | 0 | 951622045 |
| ReturnHeader/Filer/PhoneNum | 0 | 2133834706 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 1218 MENLO AVENUE |
| ReturnHeader/Filer/USAddress/CityNm | 0 | LOS ANGELES |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | CA |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 90006 |
| ReturnHeader/FilingSecurityInformation/AtSubmissionCreationDeviceId | 0 | 06D20EB817935A6C49EE9BDC9BE79DA30A2AD795 |
| ReturnHeader/FilingSecurityInformation/AtSubmissionFilingDeviceId | 0 | C36518EBE995053931F29DA3CEC0EC983DDC7162 |
| ReturnHeader/FilingSecurityInformation/FederalOriginalSubmissionId | 0 | 95151420183190392e55 |
| ReturnHeader/FilingSecurityInformation/FederalOriginalSubmissionIdDt | 0 | 2018-11-15 |
| ReturnHeader/FilingSecurityInformation/FilingLicenseTypeCd | 0 | P |
| ReturnHeader/FilingSecurityInformation/IPAddress/IPv4AddressTxt | 0 | 206.169.119.90 |
| ReturnHeader/FilingSecurityInformation/IPDt | 0 | 2018-12-17 |
| ReturnHeader/FilingSecurityInformation/IPTimezoneCd | 0 | PS |
| ReturnHeader/FilingSecurityInformation/IPTm | 0 | 15:57:30 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 952302617 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | SINGERLEWAK LLP |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 10960 WILSHIRE BLVD STE 700 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | LOS ANGELES |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | CA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 900243783 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 3104773924 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2018-12-17 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | NAZANIN BENYAMINI |
| ReturnHeader/ReturnTs | 0 | 2018-12-18T18:11:43-06:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2017-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2017-12-31 |
| ReturnHeader/TaxYr | 0 | 2017 |