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Note 16 - Concentration of Customers (Details Textual)	Jun. 30, 2022	Jun. 30, 2021
Number of Major Customers	2	2

X

- Definition

The number of major customers.

+ References

No definition available.

+ Details

Name:	trt_NumberOfMajorCustomers
Namespace Prefix:	trt_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant