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INVESTMENT PROPERTIES (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2015 | Jun. 30, 2014
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Mao Ye RMB [Member] |  |
Investment Amount | $ 5,554 us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstatePropertiesAxis = TRT_MaoYeRMBMember | $ 5,554 us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstatePropertiesAxis = TRT_MaoYeRMBMember
Mao Ye USD [Member] |  |
Investment Amount | 894 us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstatePropertiesAxis = TRT_MaoYeUSDMember | 904 us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstatePropertiesAxis = TRT_MaoYeUSDMember
Jiang Huai RMB [Member] |  |
Investment Amount | 3,600 us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstatePropertiesAxis = TRT_JiangHuaiRMBMember | 3,600 us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstatePropertiesAxis = TRT_JiangHuaiRMBMember
Jiang Huai USD [Member] |  |
Investment Amount | 580 us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstatePropertiesAxis = TRT_JiangHuaiUSDMember | 586 us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstatePropertiesAxis = TRT_JiangHuaiUSDMember
Fu Li RMB [Member] |  |
Investment Amount | 4,025 us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstatePropertiesAxis = TRT_FuLiRMBMember | 4,025 us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstatePropertiesAxis = TRT_FuLiRMBMember
Fu Li USD [Member] |  |
Investment Amount | 648 us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstatePropertiesAxis = TRT_FuLiUSDMember | 655 us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand / us-gaap_RealEstatePropertiesAxis = TRT_FuLiUSDMember
China RMB [Member] |  |
Currency translation |  |
Gross investment in rental property | 13,179 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_RealEstatePropertiesAxis = TRT_ChinaRMBMember | 13,179 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_RealEstatePropertiesAxis = TRT_ChinaRMBMember
Accumulated depreciation on rental property | (2,961)TRT_AccumulatedDepreciationOnRentalProperty / us-gaap_RealEstatePropertiesAxis = TRT_ChinaRMBMember | (3,455)TRT_AccumulatedDepreciationOnRentalProperty / us-gaap_RealEstatePropertiesAxis = TRT_ChinaRMBMember
Net investment in property | 10,218 us-gaap_RealEstateInvestments / us-gaap_RealEstatePropertiesAxis = TRT_ChinaRMBMember | 9,724 us-gaap_RealEstateInvestments / us-gaap_RealEstatePropertiesAxis = TRT_ChinaRMBMember
China USD [Member] |  |
Currency translation | 3 us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax / us-gaap_RealEstatePropertiesAxis = country_CN | (23)us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax / us-gaap_RealEstatePropertiesAxis = country_CN
Gross investment in rental property | 2,125 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_RealEstatePropertiesAxis = country_CN | 2,122 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_RealEstatePropertiesAxis = country_CN
Accumulated depreciation on rental property | (557)TRT_AccumulatedDepreciationOnRentalProperty / us-gaap_RealEstatePropertiesAxis = country_CN | (476)TRT_AccumulatedDepreciationOnRentalProperty / us-gaap_RealEstatePropertiesAxis = country_CN
Net investment in property | $ 1,568 us-gaap_RealEstateInvestments / us-gaap_RealEstatePropertiesAxis = country_CN | $ 1,646 us-gaap_RealEstateInvestments / us-gaap_RealEstatePropertiesAxis = country_CN

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- Definition Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e681-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6915805&loc=d3e32022-110900 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 + Details
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- Definition Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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