Accounts Payable, Purchase Commitment

No definition available.

Name:	tgan_AccountsPayablePurchaseCommitment
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Payments Received On Government Contracts

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Purchase Commitment, Amount

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Purchase Commitment, Amount Purchased

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Purchase Commitment, Amount Reimbursed

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Purchase Commitment, Cumulative Amount Purchased

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Supply Commitment, Option

+ References

No definition available.

+ Details

Name:	tgan_SupplyCommitmentOption
Namespace Prefix:	tgan_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

+ Details

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

- Definition

Contractually required future rental payments receivable on noncancelable subleasing arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123406913&loc=d3e41502-112717

+ Details

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

- Definition

The total amount of sublease rental income recognized during the period that reduces the entity's rent expense incurred under operating leases.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 3)
-URI http://asc.fasb.org/extlink&oid=123403562&loc=d3e38371-112697

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Balance Type:	credit
Period Type:	duration

- Definition

The floor amount as of the balance sheet date that the entity must expend to satisfy the terms of disclosed arrangements (excluding long-term commitments) in which the entity must commit resources to supply goods or services to one or more customers.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.(a)(19))
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Balance Type:	credit
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Commitments and Contingencies - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2022	Dec. 31, 2020	Sep. 30, 2021
Commitments and Contingencies Disclosure [Abstract]
Commitment to acquire equipment and services		$ 7,400
Cumulative purchases made to date		7,300
Reimbursement received from government agency		7,200
Amount purchased		369
Remaining accounts payable to vendors		131
Contract for epiwafer technology				$ 900
Option in addition to contract for epiwafer technology				$ 500
Amounts billed and received on government contracts		211
Rent expense	$ 212	918	$ 892
Rental income from noncancelable sublease	$ 30	0	$ 182
Future minimum rental payments to be received under sublease		$ 0