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LOANS RECEIVABLE FROM PROPERTY DEVELOPMENT PROJECTS (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2014
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JiaSheng RMB [Member] |
Loan Amount, Investment | $ 5,000
Net loans receivable from property development projects | 5,000
JiaSheng US [Member] |
Loan Expiry Date | 2016-10-31T00:00:00
Loan Amount, Investment | 803
Net loans receivable from property development projects | 803
JiangHuai RMB [Member] |
Loan Amount, Investment | 2,000
Less: Impairment | (2,000)
JiangHuai US [Member] |
Loan Expiry Date | 2013-05-31T00:00:00
Loan Amount, Investment | 325
Less: Impairment | $ (325)

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Balance Type: | na
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
Period Type: | instant

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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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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Total of loans held-for-sale and held-in-portfolio net of unearned income, allowance for loan and lease losses, if any, unamortized loan origination and other fees and costs, and purchased premiums or discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph a -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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