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v3.25.1

Merger - (Additional Information) (Detail) $ in Millions | 12 Months Ended
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Dec. 31, 2024 USD ($)
Merger [Line Items] |
Reduction to additional paid-in capital | $ 9.3

X
- References No definition available. + Details
Name: | tecx_MergerLineItems
Namespace Prefix: | tecx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of other increase (decrease) in additional paid in capital (APIC). + References No definition available. + Details
Name: | us-gaap_AdjustmentsToAdditionalPaidInCapitalOther
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration