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CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data | Common Stock | Additional Paid-in Capital | Accumulated Retained Earnings | Accumulated Other Comprehensive Income | Non-Controlling Interest | Total
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Beginning Balance, Amount at Jun. 30, 2013 | $ 10,531 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ 2,756 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | $ 1,668 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | $ 3,680 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | $ 1,971 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | $ 20,606 us-gaap_StockholdersEquity
Beginning Balance, Shares at Jun. 30, 2013 | 3,322 us-gaap_SharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Stock option expenses |  | 216 us-gaap_EmployeeBenefitsAndShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  | 216 us-gaap_EmployeeBenefitsAndShareBasedCompensation
Net income |  |  | 57 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |  | 144 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | 201 us-gaap_OtherComprehensiveIncomeLossNetOfTax
Translation adjustments |  |  |  | (158)us-gaap_CumulativeTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | (70)us-gaap_CumulativeTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | (228)us-gaap_CumulativeTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease
Dividend declared by subsidiary |  |  |  |  | (313)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | (313)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
Stock options exercised, amount | 351 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercisedNetOfTaxBenefitExpense / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  | 351 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercisedNetOfTaxBenefitExpense
Stock options exercised, Shares | 191 TRT_StockIssuedSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Ending Balance, Amount at Jun. 30, 2014 | 10,882 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 2,972 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | 1,725 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | 3,522 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | 1,732 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | 20,833 us-gaap_StockholdersEquity
Ending Balance, Shares at Jun. 30, 2014 | 3,513 us-gaap_SharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Stock option expenses |  | 97 us-gaap_EmployeeBenefitsAndShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  | 97 us-gaap_EmployeeBenefitsAndShareBasedCompensation
Net income |  |  | 166 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |  | 251 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | 417 us-gaap_OtherComprehensiveIncomeLossNetOfTax
Translation adjustments |  |  |  | (626)us-gaap_CumulativeTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | (142)us-gaap_CumulativeTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | (768)us-gaap_CumulativeTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease
Dividend declared by subsidiary |  |  |  |  |  |
Contribution to capital - payable forgiveness |  | 9 us-gaap_AdjustmentsToAdditionalPaidInCapitalOther / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  | 9 us-gaap_AdjustmentsToAdditionalPaidInCapitalOther
Stock options exercised, amount |  |  |  |  |  |
Ending Balance, Amount at Mar. 31, 2015 | $ 10,882 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ 3,078 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | $ 1,891 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | $ 2,896 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | $ 1,841 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | $ 20,588 us-gaap_StockholdersEquity
Ending Balance, Shares at Mar. 31, 2015 | 3,513 us-gaap_SharesIssued / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |

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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 + Details
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