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INVESTMENT PROPERTIES (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | 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 | (3,287)TRT_AccumulatedDepreciationOnRentalProperty / us-gaap_RealEstatePropertiesAxis = TRT_ChinaRMBMember | (2,961)TRT_AccumulatedDepreciationOnRentalProperty / us-gaap_RealEstatePropertiesAxis = TRT_ChinaRMBMember
Net investment in property | 9,892 us-gaap_RealEstateInvestments / us-gaap_RealEstatePropertiesAxis = TRT_ChinaRMBMember | 10,218 us-gaap_RealEstateInvestments / us-gaap_RealEstatePropertiesAxis = TRT_ChinaRMBMember
China USD [Member] |  |
Currency translation | 3 us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax / us-gaap_RealEstatePropertiesAxis = country_CN |
Gross investment in rental property | 2,125 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_RealEstatePropertiesAxis = country_CN |
Accumulated depreciation on rental property | (530)TRT_AccumulatedDepreciationOnRentalProperty / us-gaap_RealEstatePropertiesAxis = country_CN |
Net investment in property | 1,595 us-gaap_RealEstateInvestments / us-gaap_RealEstatePropertiesAxis = country_CN |
China USD [Member] |  |
Currency translation |  | (23)us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax / us-gaap_RealEstatePropertiesAxis = TRT_ChinaUSDMember
Gross investment in rental property |  | 2,122 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_RealEstatePropertiesAxis = TRT_ChinaUSDMember
Accumulated depreciation on rental property |  | (476)TRT_AccumulatedDepreciationOnRentalProperty / us-gaap_RealEstatePropertiesAxis = TRT_ChinaUSDMember
Net investment in property |  | $ 1,646 us-gaap_RealEstateInvestments / us-gaap_RealEstatePropertiesAxis = TRT_ChinaUSDMember

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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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