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Note 3 - Term Deposits (Details Textual) $ in Thousands | Dec. 31, 2022 USD ($)
--- | ---
Deposits Assets, Restricted, Current, Net | $ 747
Deposits Assets, Restricted Term Deposits, Noncurrent, Net | $ 1,742

X
- Definition Represents the amount of current restricted deposits assets, net of currency translation effects. + References No definition available. + Details
Name: | trt_DepositsAssetsRestrictedCurrentNet
Namespace Prefix: | trt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of noncurrent restricted term deposits assets net of currency translation effect. + References No definition available. + Details
Name: | trt_DepositsAssetsRestrictedTermDepositsNoncurrentNet
Namespace Prefix: | trt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant