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LOAN RECEIVABLE FROM PROPERTY DEVELOPMENT PROJECTS (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Jun. 30, 2014
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Jiang Huai RMB [Member] |  |
Short-term loan receivables |  |
Short-term | $ 2,000 us-gaap_NotesAndLoansReceivableGrossCurrent / us-gaap_RealEstatePropertiesAxis = TRT_JiangHuaiRMBMember | $ 2,000 us-gaap_NotesAndLoansReceivableGrossCurrent / us-gaap_RealEstatePropertiesAxis = TRT_JiangHuaiRMBMember
Less: Impairment | (2,000)us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent / us-gaap_RealEstatePropertiesAxis = TRT_JiangHuaiRMBMember | (2,000)us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent / us-gaap_RealEstatePropertiesAxis = TRT_JiangHuaiRMBMember
Short-term loan receivables, net |  |
Jiang Huai USD [Member] |  |
Short-term loan receivables |  |
Short-term | 326 us-gaap_NotesAndLoansReceivableGrossCurrent / us-gaap_RealEstatePropertiesAxis = TRT_JiangHuaiUSDMember | 325 us-gaap_NotesAndLoansReceivableGrossCurrent / us-gaap_RealEstatePropertiesAxis = TRT_JiangHuaiUSDMember
Less: Impairment | (325)us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent / us-gaap_RealEstatePropertiesAxis = TRT_JiangHuaiUSDMember | (325)us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent / us-gaap_RealEstatePropertiesAxis = TRT_JiangHuaiUSDMember
Short-term loan receivables, net |  |
Jun Zhou Zhi Ye RMB [Member] |  |
Long-term loan receivables |  |
Long-term | 5,000 us-gaap_NotesAndLoansReceivableGrossNoncurrent / us-gaap_RealEstatePropertiesAxis = TRT_JunZhouZhiYeMember | 5,000 us-gaap_NotesAndLoansReceivableGrossNoncurrent / us-gaap_RealEstatePropertiesAxis = TRT_JunZhouZhiYeMember
Less: transfer – down-payment for purchase of property | (5,000)us-gaap_EarnestMoneyDeposits / us-gaap_RealEstatePropertiesAxis = TRT_JunZhouZhiYeMember |
Long-term loan receivables, net |  | 5,000 us-gaap_NotesAndLoansReceivableNetNoncurrent / us-gaap_RealEstatePropertiesAxis = TRT_JunZhouZhiYeMember
Jun Zhou Zhi Ye U S D [Member] |  |
Long-term loan receivables |  |
Long-term | 814 us-gaap_NotesAndLoansReceivableGrossNoncurrent / us-gaap_RealEstatePropertiesAxis = TRT_JunZhouZhiYeUSDMember | 805 us-gaap_NotesAndLoansReceivableGrossNoncurrent / us-gaap_RealEstatePropertiesAxis = TRT_JunZhouZhiYeUSDMember
Less: transfer – down-payment for purchase of property | (814)us-gaap_EarnestMoneyDeposits / us-gaap_RealEstatePropertiesAxis = TRT_JunZhouZhiYeUSDMember |
Long-term loan receivables, net |  | $ 805 us-gaap_NotesAndLoansReceivableNetNoncurrent / us-gaap_RealEstatePropertiesAxis = TRT_JunZhouZhiYeUSDMember

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- Definition A valuation allowance for doubtful other receivables due to an entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible and not separately disclosed. + References No definition available. + Details
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- Definition A deposit made by a purchaser of real estate to evidence good faith. It is customary for a buyer to give the seller earnest money at the time a sales contract is signed. The earnest money generally is credited to the down payment at closing, which is applied at closing as a component of payment against the purchase price. + References No definition available. + Details
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