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Warrants - Additional Information (Details) | 12 Months Ended
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Dec. 31, 2024 shares
Warrants and Rights Note Disclosure [Abstract] |
Class of Warrant Or Right, Exercised | (126,258)
Common stock warrant exercises (in shares) | 7,971
Common stock warrants expired (in shares) | 3,473

X
- Definition Class of Warrant Or Right, Exercised + References No definition available. + Details
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Namespace Prefix: | sera_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stock Issued During Period, Shares, Stock Warrant Exercised + References No definition available. + Details
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Namespace Prefix: | sera_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Definition Stock issued during period, shares, stock warrant expired. + References No definition available. + Details
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Namespace Prefix: | sera_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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