Commitments and contingencies.

No definition available.

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Namespace Prefix:	tnya_
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- Definition

Lease Expiration month and year.

+ References

No definition available.

+ Details

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

- Definition

Lessee operating lease commenced.

+ References

No definition available.

+ Details

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Namespace Prefix:	tnya_
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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
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

+ Details

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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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-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, 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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-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980

+ Details

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

- 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
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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.8,17)
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+ Details

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Namespace Prefix:	us-gaap_
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

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-Name Accounting Standards Codification
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	duration

- Details

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- Details

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- Details

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- Details

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Commitments and Contingencies - Additional Information (Details) $ in Thousands	1 Months Ended				3 Months Ended		6 Months Ended
	May 31, 2022	Nov. 30, 2021	Feb. 28, 2021 USD ($) RenewalOption	Dec. 31, 2016 RenewalOption	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)
Commitments And Contingencies [Line Items]
Weighted-average remaining lease term					5 years 8 months 12 days		5 years 8 months 12 days
Weighted-average discount rate					9.20%		9.20%
Short-term lease					$ 240	$ 585	$ 465	$ 1,170
Variable lease payments					$ 353	$ 269	$ 591	$ 490
Union City Facility
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
Union City Facility \| Other Noncurrent Assets
Commitments And Contingencies [Line Items]
Security deposit			$ 3,300
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	Dec. 31, 2022	Jun. 30, 2022