XML 51 R27.htm IDEA: XBRL DOCUMENT
v3.26.1

Summary of Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2025
Accounting Policies [Abstract] |
Schedule of Estimated Useful Lives of Property, Plant and Equipment | The estimated useful lives of the Company’s respective assets are as follows:
Computer equipment and software | 3 years
Furniture and fixtures | 7 years
Laboratory equipment | 5 years
Leasehold improvements | Shorter of the useful life of the asset or the life of the lease

X
- Definition Schedule of estimated useful lives of property, plant and equipment + References No definition available. + Details
Name: | tpst_ScheduleOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentPolicyTextBlock
Namespace Prefix: | tpst_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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