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DISCONTINUED OPERATION AND CORRESPONDING RESTRUCTURING PLAN (Details Narrative) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2015
Mar. 31, 2014
General and administrative expenses, discontinued operations $ 4us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense $ 4us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense $ 22us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense $ 11us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense
Indonesia [Member]        
Outstanding balance of accounts payable, discontinued operations 84us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= TRT_DiscontinuedOperationsMember
  84us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= TRT_DiscontinuedOperationsMember
 
Outstanding balance accounts receivable, discontinued operations          
Shanghai [Member]        
Outstanding balance of accounts payable, discontinued operations 38us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= TRT_DisposalGroupsIncludingDiscontinuedOperationsName2DomainMember
  38us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= TRT_DisposalGroupsIncludingDiscontinuedOperationsName2DomainMember
 
Outstanding balance accounts receivable, discontinued operations $ 2us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= TRT_DisposalGroupsIncludingDiscontinuedOperationsName2DomainMember
  $ 2us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= TRT_DisposalGroupsIncludingDiscontinuedOperationsName2DomainMember