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Note 19 - Government Grants (Tables) | 12 Months Ended
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Jun. 30, 2022
Notes Tables |
Government Grants [Table Text Block] |
|  | For the Year Ended June 30, |
|  | 2022 |  |  | 2021 |
Government grants |  |  | 228 |  |  |  | 514 |

X
- Definition Tabular disclosure of information about government grants. + References No definition available. + Details
Name: | trt_GovernmentGrantsTableTextBlock
Namespace Prefix: | trt_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration