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INVESTMENT PROPERTIES (Details 1) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Jun. 30, 2014
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Penang-Malaysia RM [Member] |  |
Reclassification of rental property | $ 681 TRT_ReclassificationOfRentalProperty / us-gaap_RealEstatePropertiesAxis = TRT_PenangRMMember | $ 681 TRT_ReclassificationOfRentalProperty / us-gaap_RealEstatePropertiesAxis = TRT_PenangRMMember
Gross investment in rental property | 681 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_RealEstatePropertiesAxis = TRT_PenangRMMember | 681 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_RealEstatePropertiesAxis = TRT_PenangRMMember
Accumulated depreciation on rental property | (305)TRT_AccumulatedDepreciationOnRentalProperty / us-gaap_RealEstatePropertiesAxis = TRT_PenangRMMember | (300)TRT_AccumulatedDepreciationOnRentalProperty / us-gaap_RealEstatePropertiesAxis = TRT_PenangRMMember
Net investment in property | 376 us-gaap_RealEstateInvestments / us-gaap_RealEstatePropertiesAxis = TRT_PenangRMMember | 381 us-gaap_RealEstateInvestments / us-gaap_RealEstatePropertiesAxis = TRT_PenangRMMember
Penang-Malaysia USD [Member] |  |
Reclassification of rental property | 196 TRT_ReclassificationOfRentalProperty / us-gaap_RealEstatePropertiesAxis = TRT_PenangUSDMember | 212 TRT_ReclassificationOfRentalProperty / us-gaap_RealEstatePropertiesAxis = TRT_PenangUSDMember
Gross investment in rental property | 196 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_RealEstatePropertiesAxis = TRT_PenangUSDMember | 212 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_RealEstatePropertiesAxis = TRT_PenangUSDMember
Accumulated depreciation on rental property | (88)TRT_AccumulatedDepreciationOnRentalProperty / us-gaap_RealEstatePropertiesAxis = TRT_PenangUSDMember | (93)TRT_AccumulatedDepreciationOnRentalProperty / us-gaap_RealEstatePropertiesAxis = TRT_PenangUSDMember
Net investment in property | $ 108 us-gaap_RealEstateInvestments / us-gaap_RealEstatePropertiesAxis = TRT_PenangUSDMember | $ 119 us-gaap_RealEstateInvestments / us-gaap_RealEstatePropertiesAxis = TRT_PenangUSDMember

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- Definition Custom Element. + References No definition available. + Details
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Namespace Prefix: | TRT_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition No authoritative reference available. + References No definition available. + Details
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Namespace Prefix: | TRT_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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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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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Amount of real estate investments, net of accumulated depreciation, 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; (7) other real estate investments; (8) real estate joint ventures; and (9) unconsolidated real estate and other joint ventures not separately presented. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Subparagraph d -Article 7 + Details
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- Details
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