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STOCK OPTIONS (Details Narrative) (USD $)
In Thousands, except Share data, unless otherwise specified
9 Months Ended 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2015
Mar. 31, 2014
Dec. 07, 2013
Exercised during period    126,500us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised      
Proceeds from exercise of stock options    $ 351us-gaap_ProceedsFromStockOptionsExercised      
Employee 2007 [Member]          
Shares authorized 600,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
  600,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
   
Stock option term 10 years        
Exercised during period    126,500us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
     
Stock-based compensation expense 15us-gaap_ShareBasedCompensation
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
33us-gaap_ShareBasedCompensation
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
8us-gaap_ShareBasedCompensation
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
   
Unamortized stock-based compensation to be recognized 12us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
35us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
12us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
35us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
 
Unamortized stock-based compensation to be recognized, period 2 years 3 years      
Options granted    35,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
  15,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
 
Fair value, option grant   3us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
  22us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
 
Fair value, per share, option grant   $ 2.04us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
  $ 1.52us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
 
Proceeds from exercise of stock options   239us-gaap_ProceedsFromStockOptionsExercised
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
     
Vested stock options 112,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
120,750us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
112,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
120,750us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
 
Weighted-average exercise price, vested options $ 4.06us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
$ 3.80us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
$ 4.06us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
$ 3.80us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
 
Weighted average contractual term, vested options 1 year 6 months 11 days 2 years 11 days      
Fair value of stock options, outstanding 457us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
459us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
457us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
459us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
 
Fair value stock acquired upon options exercised   175us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Employee2007Member
     
Director 2007 [Member]          
Shares authorized 500,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Director2007Member
  500,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Director2007Member
  400,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Director2007Member
Exercised during period   65,000us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Director2007Member
     
Proceeds from exercise of stock options   112us-gaap_ProceedsFromStockOptionsExercised
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Director2007Member
     
Director 2007 Grant 2 [Member]          
Stock option term 5 years        
Exercised during period           
Options granted 50,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Director2007Grant2Member
       
Fair value, option grant 82us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Director2007Grant2Member
       
Fair value, per share, option grant $ 3.81us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Director2007Grant2Member
       
Director 2007 Grant 1 [Member]          
Stock-based compensation expense   175us-gaap_ShareBasedCompensation
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Director2007Grant1Member
     
Options granted   40,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Director2007Grant1Member
  60,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Director2007Grant1Member
 
Fair value, option grant   $ 124us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Director2007Grant1Member
  $ 217us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Director2007Grant1Member
 
Fair value, per share, option grant   $ 3.10us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Director2007Grant1Member
  $ 3.62us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ TRT_EmployeeStockOwnershipPlanESPODisclosuresByPlanAxis
= TRT_Director2007Grant1Member