Represents number of properties for operating lease.

No definition available.

Name:	trt_LeaseOperatingLeaseNumberOfProperties
Namespace Prefix:	trt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents monthly rate for operating lease for lessee.

+ References

No definition available.

+ Details

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Namespace Prefix:	trt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the lessor's monthly operating lease income.

+ References

No definition available.

+ Details

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Namespace Prefix:	trt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The number of auctions conducted.

+ References

No definition available.

+ Details

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

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918673-209980

+ Details

Name:	us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 5
-URI https://asc.fasb.org/extlink&oid=124258985&loc=SL77919372-209981

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-Topic 270
-SubTopic 10
-Section 50
-Paragraph 6A
-URI https://asc.fasb.org/extlink&oid=126900988&loc=SL77927221-108306

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow from the amount invested for projects in hopes of getting a future return or interest from it.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

+ References

No definition available.

+ Details

Name:	us-gaap_PurchaseObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Initial cost of land for entities with a substantial portion of business acquiring and holding investment real estate. Excludes real estate not held as an investment or interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 970
-SubTopic 360
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-28(Column C))
-URI https://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_LeaseContractualTermAxis=trt_TTCQMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Data Type:	na
Balance Type:
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- Details

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- Details

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- Details

Name:	srt_StatementGeographicalAxis=country_CN
Namespace Prefix:
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Balance Type:
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- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_RealEstateMember
Namespace Prefix:
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Note 7 - Investment Properties (Details Textual) ¥ in Thousands, $ in Thousands	3 Months Ended		6 Months Ended	9 Months Ended		10 Months Ended		12 Months Ended
	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Apr. 30, 2021 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2022 CNY (¥)	Jun. 30, 2021 USD ($)	Oct. 31, 2020 USD ($) ft²	Oct. 31, 2020 CNY (¥) ft²	Jun. 30, 2010 USD ($)	Jun. 30, 2010 CNY (¥)	Mar. 31, 2022 CNY (¥)	Jun. 30, 2021 CNY (¥)	May 21, 2021 m²	Mar. 31, 2010 USD ($) a	Mar. 31, 2010 CNY (¥) a	Mar. 31, 2008 USD ($)	Mar. 31, 2008 CNY (¥)
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land	$ 894			$ 894		$ 894		$ 894					¥ 5,554	¥ 5,554
TTCQ [Member]
Lease, Operating Lease, Number of Properties															2	2	2
Area of Real Estate Property (Acre)									161	161					154.49	311.99	311.99
Purchase Obligation, Total																$ 648	¥ 4,025
Lessee, Operating Lease, Term of Contract (Year)															2 years
Lessee, Operating Lease, Monthly Rate			$ 1			1	¥ 9		$ 1
Lessor, Operating Lease, Monthly Rate			$ 10							¥ 10
Mao Ye [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land																		$ 5,554	¥ 894
Operating Lease, Lease Income, Total		$ 6		4	$ 9
Depreciation, Total	4	4		12	11
Jiang Huai [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land	580			580		$ 580		580					¥ 3,600	3,600
Depreciation, Total	$ 7	6		$ 21	19
Payments to Acquire Projects											$ 580	¥ 3,600
Number of Auctions	3			3		3							3
FuLi [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land	$ 648			$ 648		$ 648		$ 648					¥ 4,025	¥ 4,025
Operating Lease, Lease Income, Total	4	5		19	12
Depreciation, Total	8	7		23	22
CHINA
Operating Lease, Lease Income, Total	4	11		23	21
Depreciation, Total	$ 19	$ 17		$ 56	$ 52
Real Estate [Member]
Property, Plant and Equipment, Useful Life (Year)				20 years				20 years