XML 91 R82.htm IDEA: XBRL DOCUMENT
v3.22.1

Note 19 - Stock Options - Summary of Options Activities 2017 Directors Plan (Details) - USD ($) |  | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Sep. 24, 2007 | Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2022 | Mar. 31, 2021 | Jun. 30, 2021 | Jun. 30, 2020
Director Plan 2017 [Member] |  |  |  |  |  |  |
Outstanding. options (in shares) |  |  |  | 320,000 | 240,000 | 240,000 |
Outstanding, weighted average exercise price (in dollars per share) |  |  |  | $ 4.27 | $ 3.93 | $ 3.93 |
Outstanding, weighted average remaining contractual term (Year) |  |  |  | 7 months 6 days | 3 years 5 months 19 days | 3 years 2 months 19 days | 3 years 9 months
Aggregate intrinsic value outstanding, ending |  |  |  | $ 340 | $ 48.00 | $ 48.00 |
Granted, options (in shares) |  | 100,000 | 80,000 | 100,000 | 80,000 |  |
Granted, weighted average exercise price (in dollars per share) |  |  |  | $ 7.76 | $ 5.27 |  |
Outstanding, options (in shares) |  | 420,000 | 320,000 | 420,000 | 320,000 | 320,000 | 240,000
Outstanding, weighted average exercise price (in dollars per share) |  | $ 5.10 | $ 4.27 | $ 5.10 | $ 4.27 | $ 4.27 | $ 3.93
Aggregate intrinsic value outstanding, ending |  | $ 942 | $ 253.6 | $ 942 | $ 253.6 | $ 340 | $ 48.00
Exercisable, options (in shares) |  | 420,000 | 320,000 | 420,000 | 320,000 |  |
Exercisable, weighted average exercise price (in dollars per share) |  | $ 5.10 | $ 4.27 | $ 5.10 | $ 4.27 |  |
Exercisable, weighted average remaining contractual term (Year) |  |  |  | 3 years 25 days | 3 years 5 months 19 days |  |
Exercisable at March 31, 2021 |  | $ 942 | $ 253.6 | $ 942 | $ 253.6 |  |
Employee Stock Option Plan 2007 [Member] |  |  |  |  |  |  |
Outstanding. options (in shares) |  |  |  | 37,500 | 77,500 | 77,500 |
Outstanding, weighted average exercise price (in dollars per share) |  |  |  | $ 4.14 | $ 3.69 | $ 3.69 |
Outstanding, weighted average remaining contractual term (Year) |  |  |  |  | 11 months 26 days | 9 months | 1 year 2 months 19 days
Aggregate intrinsic value outstanding, ending |  |  |  | $ 34 |  |  |
Granted, options (in shares) | 600,000 |  |  | 0 | 0 |  |
Outstanding, options (in shares) |  |  | 37,500 |  | 37,500 | 37,500 | 77,500
Outstanding, weighted average exercise price (in dollars per share) |  |  | $ 4.14 |  | $ 4.14 | $ 4.14 | $ 3.69
Aggregate intrinsic value outstanding, ending |  |  | $ 13.13 |  | $ 13.13 | $ 34 |
Exercisable, options (in shares) |  |  | 37,500 |  | 37,500 |  |
Exercisable, weighted average exercise price (in dollars per share) |  |  | $ 4.14 |  | $ 4.14 |  |
Exercisable, weighted average remaining contractual term (Year) |  |  |  |  | 11 months 26 days |  |
Exercisable at March 31, 2021 |  |  | $ 13.13 |  | $ 13.13 |  |
Granted, weighted average remaining contractual term (Year) |  |  |  |  | 4 years 10 months 20 days |  |

X
- Definition Represents weighted average remaining contract term for options granted. + References No definition available. + Details
Name: | trt_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantedWeightedAverageRemainingContractualTerm
Namespace Prefix: | trt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents weighted average remaining contractual term for share-based compensation arrangement by share-based payment award. + References No definition available. + Details
Name: | trt_Sharebasedcompensationarrangementbysharebasedpaymentawardoptionsoutstandingweightedaverageremainingcontractualterm
Namespace Prefix: | trt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Gross number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Weighted average remaining contractual term of exercisable stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PlanNameAxis=trt_DirectorPlan2017Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=trt_EmployeeStockOptionPlan2007Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |