Variable Interest Entity, Additional Purchase of Ownership Interest, Percentage

No definition available.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

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- Definition

Portion of equity (net assets) in a variable interest entity (VIE) not attributable, directly or indirectly, to the parent entity. That is, this is the portion of equity in a VIE that is attributable to the noncontrolling interest (previously referred to as minority interest).

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of financial or other support the reporting entity has provided (explicitly or implicitly) to the Variable Interest Entity (VIE) that it was not previously contractually required to provide or that the reporting entity intends to provide, including, for example, situations in which the reporting entity assisted the VIE in obtaining another type of support.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121559654&loc=SL6759159-111685

+ Details

Name:	us-gaap_VariableInterestEntityFinancialOrOtherSupportAmount
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121559654&loc=SL6759159-111685

+ Details

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Period Type:	duration

- Details

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- Details

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- Details

Name:	srt_ConsolidatedEntitiesAxis=tgan_JointVentureCompanyInSingaporeMember
Namespace Prefix:
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Balance Type:
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- Details

Name:	srt_CounterpartyNameAxis=tgan_FujitsuSemiconductorLimitedMember
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Investment in Aizu Fujitsu Semiconductor Wafer Solution Limited ("AFSW") - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended
	Aug. 01, 2021	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Dec. 31, 2020
Aizu Fajitsu Semiconductor Wafer Solution Limited
Variable Interest Entity [Line Items]
Ownership percentage in entity		49.00%
Additional financial support provided to investment		$ 2,018	$ 968	$ 1,900
Unfunded commitment		$ (1,339)	$ (1,866)		$ (1,466)
Aizu Fajitsu Semiconductor Wafer Solution Limited \| Subsequent Event
Variable Interest Entity [Line Items]
Ownership percentage in entity	25.00%
Joint Venture Company In Singapore \| Subsequent Event
Variable Interest Entity [Line Items]
Ownership percentage	25.00%
Fujitsu Semiconductor Limited
Variable Interest Entity [Line Items]
Purchase of additional interest		51.00%