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EARNINGS PER SHARE (Details Narrative) (USD $) | Mar. 31, 2013 | Jun. 30, 2012 | Mar. 31, 2012
--- | --- | --- | ---
Options to purchase shares of Common Stock | 609,000 |  | 711,875
Weighted Average Exercise Price | $ 3.05 | $ 3.85 |
Minimum Member |  |  |
Weighted Average Exercise Price | $ 1.72 |  | 1.72
Maximum Member |  |  |
Weighted Average Exercise Price | $ 9.57 |  | 9.57

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

X
- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(a) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant