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LOAN RECEIVABLE FROM PROPERTY DEVELOPMENT PROJECTS (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Jun. 30, 2014
Jiang Huai RMB [Member]    
Short-term loan receivables    
Short-term $ 2,000us-gaap_NotesAndLoansReceivableGrossCurrent
/ us-gaap_RealEstatePropertiesAxis
= TRT_JiangHuaiRMBMember
$ 2,000us-gaap_NotesAndLoansReceivableGrossCurrent
/ us-gaap_RealEstatePropertiesAxis
= TRT_JiangHuaiRMBMember
Less: Impairment (2,000)us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent
/ us-gaap_RealEstatePropertiesAxis
= TRT_JiangHuaiRMBMember
(2,000)us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent
/ us-gaap_RealEstatePropertiesAxis
= TRT_JiangHuaiRMBMember
Short-term loan receivables, net      
Jiang Huai USD [Member]
   
Short-term loan receivables    
Short-term 326us-gaap_NotesAndLoansReceivableGrossCurrent
/ us-gaap_RealEstatePropertiesAxis
= TRT_JiangHuaiUSDMember
325us-gaap_NotesAndLoansReceivableGrossCurrent
/ us-gaap_RealEstatePropertiesAxis
= TRT_JiangHuaiUSDMember
Less: Impairment (325)us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent
/ us-gaap_RealEstatePropertiesAxis
= TRT_JiangHuaiUSDMember
(325)us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent
/ us-gaap_RealEstatePropertiesAxis
= TRT_JiangHuaiUSDMember
Short-term loan receivables, net      
Jun Zhou Zhi Ye RMB [Member]    
Long-term loan receivables    
Long-term 5,000us-gaap_NotesAndLoansReceivableGrossNoncurrent
/ us-gaap_RealEstatePropertiesAxis
= TRT_JunZhouZhiYeMember
5,000us-gaap_NotesAndLoansReceivableGrossNoncurrent
/ us-gaap_RealEstatePropertiesAxis
= TRT_JunZhouZhiYeMember
Less: transfer – down-payment for purchase of property (5,000)us-gaap_EarnestMoneyDeposits
/ us-gaap_RealEstatePropertiesAxis
= TRT_JunZhouZhiYeMember
 
Long-term loan receivables, net    5,000us-gaap_NotesAndLoansReceivableNetNoncurrent
/ us-gaap_RealEstatePropertiesAxis
= TRT_JunZhouZhiYeMember
Jun Zhou Zhi Ye U S D [Member]    
Long-term loan receivables    
Long-term 814us-gaap_NotesAndLoansReceivableGrossNoncurrent
/ us-gaap_RealEstatePropertiesAxis
= TRT_JunZhouZhiYeUSDMember
805us-gaap_NotesAndLoansReceivableGrossNoncurrent
/ us-gaap_RealEstatePropertiesAxis
= TRT_JunZhouZhiYeUSDMember
Less: transfer – down-payment for purchase of property (814)us-gaap_EarnestMoneyDeposits
/ us-gaap_RealEstatePropertiesAxis
= TRT_JunZhouZhiYeUSDMember
 
Long-term loan receivables, net    $ 805us-gaap_NotesAndLoansReceivableNetNoncurrent
/ us-gaap_RealEstatePropertiesAxis
= TRT_JunZhouZhiYeUSDMember