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INVESTMENT IN PROPERTY DEVELOPMENT (Details) (USD $) | Jun. 30, 2012
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JiaShengInvestmentInDevelopments [Member] |
Investment Date | Aug. 27, 2007
Investment Amount (RMB) | $ 10,000
Investment Amount (U.S. Dollars) | 1,564
JiaShengInvestmentInDevelopments1 [Member] |
Investment Date | Dec. 27, 2007
Investment Amount (RMB) | 5,000
Investment Amount (U.S. Dollars) | 782
JiaShengReturnOfInvestmentInDevelopments [Member] |
Investment Date | Jun. 26, 2008
Investment Amount (RMB) | (5,000)
Investment Amount (U.S. Dollars) | (782)
JiaShengReturnOfInvestmentInDevelopments1 [Member] |
Investment Date | Oct. 23, 2008
Investment Amount (RMB) | (1,988)
Investment Amount (U.S. Dollars) | (311)
JiaShengReturnOfInvestmentInDevelopments2 [Member] |
Investment Date | Nov. 20, 2009
Investment Amount (RMB) | (1,988)
Investment Amount (U.S. Dollars) | (311)
JiaShengReturnOfInvestmentInDevelopments3 [Member] |
Investment Date | Nov. 03, 2010
Investment Amount (RMB) | (2,651)
Investment Amount (U.S. Dollars) | (415)
JiaShengReturnOfInvestmentInDevelopments4 [Member] |
Investment Date | Nov. 08, 2010
Investment Amount (RMB) | (723)
Investment Amount (U.S. Dollars) | (113)
JiaShengReturnOfInvestmentInDevelopments5 [Member] |
Investment Date | Nov. 09, 2010
Investment Amount (RMB) | (301)
Investment Amount (U.S. Dollars) | (47)
JiaShengReturnOfInvestmentInDevelopments6 [Member] |
Investment Date | Nov. 10, 2010
Investment Amount (RMB) | (1,807)
Investment Amount (U.S. Dollars) | (283)
JiaShengReturnOfInvestmentInDevelopments7 [Member] |
Investment Date | Nov. 12, 2010
Investment Amount (RMB) | (542)
Investment Amount (U.S. Dollars) | $ (84)

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

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- Definition Custom Element. + References No definition available. + Details
Name: | TRT_InvestmentContractDateStart
Namespace Prefix: | TRT_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | instant

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