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DISCONTINUED OPERATION AND CORRESPONDING RESTRUCTURING PLAN (Details Narrative) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013
General and administrative expenses, discontinued operations | $ 18 us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense | $ 3 us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense | $ 18 us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense | $ 7 us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense
Indonesia [Member] |  |  |  |
Outstanding balance of accounts payable, discontinued operations | 83 us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = TRT_DiscontinuedOperationsMember |  | 83 us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = TRT_DiscontinuedOperationsMember |
Outstanding balance accounts receivable, discontinued operations |  |  |  |
Shanghai [Member] |  |  |  |
Outstanding balance of accounts payable, discontinued operations | 38 us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = TRT_DisposalGroupsIncludingDiscontinuedOperationsName2DomainMember |  | 38 us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = TRT_DisposalGroupsIncludingDiscontinuedOperationsName2DomainMember |
Outstanding balance accounts receivable, discontinued operations | $ 2 us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = TRT_DisposalGroupsIncludingDiscontinuedOperationsName2DomainMember |  | $ 2 us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = TRT_DisposalGroupsIncludingDiscontinuedOperationsName2DomainMember |

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- Definition Amount classified as accounts, notes and loans receivable attributable to disposal group held for sale or disposed of. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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Data Type: | xbrli:monetaryItemType
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Period Type: | instant

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- Definition Amount classified as accounts payable attributable to disposal group held for sale or disposed of. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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Balance Type: | credit
Period Type: | instant

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- Definition Amount of operating expenses attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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- Details
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