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v3.22.1

Note 3 - Term Deposits (Tables) | 9 Months Ended
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Mar. 31, 2022
Notes Tables |
Term Deposits [Table Text Block] |
|  | Mar. 31, 2022 (Unaudited) |  |  | June 30, 2021 |
Short-term deposits |  | $ | 4,961 |  |  | $ | 6,353 |
Currency translation effect on short-term deposits |  |  | (8 | ) |  |  | 298 |
Total short-term deposits |  |  | 4,953 |  |  |  | 6,651 |
Restricted term deposits |  |  | 1,736 |  |  |  | 1,682 |
Currency translation effect on restricted term deposits |  |  | (1 | ) |  |  | 59 |
Total restricted term deposits |  |  | 1,735 |  |  |  | 1,741 |
Total term deposits |  | $ | 6,688 |  |  | $ | 8,392 |

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- Definition Tabular disclosure of term deposits. + References No definition available. + Details
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Namespace Prefix: | trt_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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