Commitments and contingencies.

No definition available.

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- Definition

Lease Expiration month and year.

+ References

No definition available.

+ Details

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Namespace Prefix:	tnya_
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Balance Type:	na
Period Type:	duration

- Definition

Lessee operating lease commenced.

+ References

No definition available.

+ Details

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Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of lessee lease renewal term.

+ References

No definition available.

+ Details

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Namespace Prefix:	tnya_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Date which lease or group of leases is set to expire, in YYYY-MM-DD format.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Remaining lease term of 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)(1)
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980

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

- Definition

Term of lessee's operating lease renewal, 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
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- 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
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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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+ Details

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

- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
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+ Details

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

- Definition

The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 10
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-Paragraph 1
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+ Details

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

- Definition

Amount of short-term lease cost, excluding expense for lease with term of one month or less.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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-Name Accounting Standards Codification
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Balance Type:	debit
Period Type:	duration

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Commitments and Contingencies - Additional Information (Details) $ in Millions	1 Months Ended			3 Months Ended
	Nov. 30, 2021	Feb. 28, 2021 USD ($) RenewalOption	Dec. 31, 2016 RenewalOption	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)
Commitments And Contingencies [Line Items]
Weighted-average remaining lease term				6 years 6 months
Weighted-average discount rate				9.50%
Rent expense				$ 1.2	$ 1.2
Short-term lease				0.2	0.6
Variable lease payments				$ 0.3	$ 0.4
Office and Laboratory Space \| South San Francisco, California
Commitments And Contingencies [Line Items]
Lease expiration month and year			2025-05
Number of lease renewal term \| RenewalOption			2
Lease renewal term			5 years
Additional Office and Laboratory Space \| South San Francisco, California
Commitments And Contingencies [Line Items]
Lease Expiration Date	Jun. 30, 2022
Manufacturing and Office Space \| Union City, California
Commitments And Contingencies [Line Items]
Number of lease renewal term \| RenewalOption		1
Lease renewal term		5 years
Lease commenced month and year		2021-05
Term of lease		10 years
Manufacturing and Office Space \| Union City, California \| Other Noncurrent Assets
Commitments And Contingencies [Line Items]
Security deposit		$ 3.3