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BANK LOANS PAYABLE (Details) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2013 | Jun. 30, 2012
--- | --- | ---
Notes to Financial Statements |  |
Note payable denominated in Singapore dollars to a commercial bank for expansion plans in Singapore and China | $ 885 | $ 1,510
Note payable denominated in Malaysian ringgit to a commercial bank for expansion plans in Malaysia | 2,498 | 2,629
Current portion | (770) | (766)
Long term portion of bank loans payable | $ 2,613 | $ 3,373

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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: | credit
Period Type: | instant

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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: | credit
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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: | credit
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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: | credit
Period Type: | instant

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