XML 30 R79.htm IDEA: XBRL DOCUMENT
v3.19.2

COMMITMENTS AND CONTINGENCIES (Details Narrative) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018
Total rental expense on operating leases | $ 708 | $ 703
Malaysia US [Member] |  |
Capital commitments for the purchase of equipment and other related infrastructure costs | 4 | 16
Malaysia [Member] | Ringgit RM |  |
Capital commitments for the purchase of equipment and other related infrastructure costs | 18 | 62
Tianjin [Member] | Yuan RMB |  |
Capital commitments for the purchase of equipment and other related infrastructure costs | 397 | 3,927
TianjnUS [Member] |  |
Capital commitments for the purchase of equipment and other related infrastructure costs | $ 58 | $ 593
Minimum [Member] |  |
Lease rates | 1.88% | 1.88%
Maximum [Member] |  |
Lease rates | 7.50% | 7.50%

X
- Definition Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments. + References No definition available. + Details
Name: | us-gaap_ContractualObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717 + Details
Name: | us-gaap_OperatingLeasesRentExpenseNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The financing cost related to leases that have been recorded under the deposit method, as a financing or as a capital leases in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller. + References No definition available. + Details
Name: | us-gaap_SaleLeasebackTransactionImputedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis=TRT_MalaysiaUSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_MY
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_MYR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=TRT_TianjinMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_CNY
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=TRT_TianjnUSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |