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GOVERNMENT GRANTS (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Government Grants
Government Grants	$ 514	$ 778

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- References

No definition available.

+ Details

Name:	TRT_GovernmentGrant
Namespace Prefix:	TRT_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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No definition available.

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Name:	TRT_GovernmentGrantDisclosureAbstract
Namespace Prefix:	TRT_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration