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LOANS RECEIVABLE FROM PROPERTY DEVELOPMENT PROJECTS (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Jun. 30, 2014
Mar. 31, 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
   
Less: allowance for doubtful receivables   (2,000)us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables
/ us-gaap_RealEstatePropertiesAxis
= TRT_JiangHuaiRMBMember
 
Short-term loan receivables, net        
Jiang Huai USD [Member]
     
Short-term loan receivables      
Short-term 325us-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
   
Less: allowance for doubtful receivables   (325)us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables
/ 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
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