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1. ORGANIZATION AND BASIS OF PRESENTATION (Details) | Mar. 31, 2015
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Express Test Corporation (Dormant) |
Ownership | 100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = TRT_ExpressTestCorporationDormantMember
Trio-Tech Reliability Services (Dormant) |
Ownership | 100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = TRT_TrioTechReliabilityServicesDormantMember
KTS Incorporated, dba Universal Systems (Dormant) |
Ownership | 100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = TRT_KTSIncorporateddbaUniversalSystemsMember
European Electronic Test Centre (Operation ceased on November 1, 2005) |
Ownership | 100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = TRT_EuropeanElectronicTestCentreMember
Trio-Tech International Pte. Ltd |
Ownership | 100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = TRT_TrioTechInternationalPteLtdMember
Universal (Far East) Pte. Ltd |
Ownership | 100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = TRT_UniversalFarEastPteLtdMember
Trio-Tech International (Thailand) Co. Ltd |
Ownership | 100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = TRT_TrioTechInternationalThailandCoLtdMember
Trio-Tech (Bangkok) Co. Ltd. (49% owned by Trio-Tech International Pte. Ltd. and 51% owned by Trio-Tech International (Thailand) Co. Ltd.) |
Ownership | 100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = TRT_TrioTechBangkokCoLtdMember
Trio-Tech (Malaysia) Sdn. Bhd. (55% owned by Trio-Tech International Pte. Ltd.) |
Ownership | 55.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = TRT_TrioTechMalaysiaSdnBhdMember
Trio-Tech (Kuala Lumpur) Sdn. Bhd. (100% owned by Trio-Tech Malaysia Sdn. Bhd.) |
Ownership | 55.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = TRT_TriTechKualaLumpurSdnBhdMember
Prestal Enterprise Sdn. Bhd. (76% owned by Trio-Tech International Pte. Ltd.) |
Ownership | 76.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = TRT_PrestalEnterpriseSdnBhdMember
Trio-Tech (Suzhou) Co. Ltd. |
Ownership | 100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = TRT_TrioTechSuzhouCoLtdMember
Trio-Tech (Shanghai) Co. Ltd. |
Ownership | 100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = TRT_TrioTechShanghaiCoLtdMember
Trio-Tech (Chongqing) Co. Ltd. |
Ownership | 100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = TRT_TrioTechChongqingCoLtdMember
SHI International Pte. Ltd. (55% owned by Trio-Tech International Pte. Ltd.) |
Ownership | 55.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = TRT_SHIInternationalPteLtdMember
PT SHI Indonesia (100% owned by SHI International Pte. Ltd) |
Ownership | 55.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = TRT_PTSHIIndonesia100ownedbySHIInternationalPteLtdMember
Trio-Tech (Tianjin) Co. Ltd. |
Ownership | 100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = TRT_TrioTechTianjinCoLtdMember

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