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INVESTMENT PROPERTY IN CHINA (Details Narrative) (USD $) | 12 Months Ended
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Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 RMB [Member] | Jun. 30, 2011 RMB [Member] | Jun. 30, 2012 PurchaseOfRentalPropertyMaoYe [Member] | Jun. 30, 2011 PurchaseOfRentalPropertyMaoYe [Member] | Jun. 30, 2008 PurchaseOfRentalPropertyMaoYe [Member] | Jun. 30, 2012 PurchaseOfRentalPropertyMaoYe [Member] RMB [Member] | Jun. 30, 2011 PurchaseOfRentalPropertyMaoYe [Member] RMB [Member] | Jun. 30, 2008 PurchaseOfRentalPropertyMaoYe [Member] RMB [Member] | Jun. 30, 2009 PurchaseOfRentalPropertyJiaSheng [Member] | Jun. 30, 2009 PurchaseOfRentalPropertyJiaSheng [Member] RMB [Member] | Jun. 30, 2012 PurchaseOfRentalPropertyJiangHuaiMember | Jun. 30, 2011 PurchaseOfRentalPropertyJiangHuaiMember | Jun. 30, 2010 PurchaseOfRentalPropertyJiangHuaiMember | Jun. 30, 2012 PurchaseOfRentalPropertyJiangHuaiMember RMB [Member] | Jun. 30, 2011 PurchaseOfRentalPropertyJiangHuaiMember RMB [Member] | Jun. 30, 2010 PurchaseOfRentalPropertyJiangHuaiMember RMB [Member] | Jun. 30, 2010 PurchaseOfRentalPropertyFuliMember | Jun. 30, 2010 PurchaseOfRentalPropertyFuliMember RMB [Member]
Cash purchase price |  |  |  |  |  |  |  |  |  | $ 5,554 |  | $ 7,042 |  |  | $ 566 |  |  | $ 3,600 | $ 637 | $ 4,025
Term of the rental agreement |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |
Monthly rental income |  |  |  |  |  |  | 6 |  |  | 39 |  |  |  |  |  |  |  |  |  |
Rental income |  |  |  |  | 78 | 70 |  | 499 | 464 |  | 105 | 697 | 66 | 99 |  | 420 | 660 |  | 3 | 21
Annual rental income |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 112 |  |  | 720 |  |
Total rental income for the investment properties in China | 148 | 274 | 941 | 1,821 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation expenses | $ 77 | $ 141 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Custom Element. + References No definition available. + Details
Name: | TRT_AnnualRentalIncome
Namespace Prefix: | TRT_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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

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- Definition Custom Element. + References No definition available. + Details
Name: | TRT_MonthlyRentalIncome
Namespace Prefix: | TRT_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Custom Element. + References No definition available. + Details
Name: | TRT_RentalIncome
Namespace Prefix: | TRT_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Custom Element. + References No definition available. + Details
Name: | TRT_TermOfRentalAgreement
Namespace Prefix: | TRT_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Custom Elements. + References No definition available. + Details
Name: | TRT_TotalRentalIncomeForInvestmentPropertiesInChina
Namespace Prefix: | TRT_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration