XML 45 R37.htm IDEA: XBRL DOCUMENT
v3.26.1

Discontinued Operations and TSA - Summary of Accrued Liabilities from Continuing Operations (Details) - USD ($) $ in Thousands | Jun. 30, 2026 | Dec. 31, 2025
--- | --- | ---
Discontinued Operations and Disposal Groups [Abstract] |  |
Profit Sharing Payments | $ 1,701 | $ 1,701
Royalties associated with the MSK Agreement | 1,309 | 1,309
VOWST post-marketing safety surveillance study costs | 268 | 268
Total accrued liabilities due to SPN | $ 3,278 | $ 3,278

X
- Definition Accrued liabilities due to spn related party. + References No definition available. + Details
Name: | mcrb_AccruedLiabilitiesDueToSpnRelatedParty
Namespace Prefix: | mcrb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Post marketing safety surveillance study costs. + References No definition available. + Details
Name: | mcrb_PostMarketingSafetySurveillanceStudyCosts
Namespace Prefix: | mcrb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Profit sharing payments + References No definition available. + Details
Name: | mcrb_ProfitSharingPayments
Namespace Prefix: | mcrb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(24)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_AccruedRoyaltiesCurrentAndNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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