XML 65 R34.htm IDEA: XBRL DOCUMENT
v3.23.1

Summary of Significant Accounting Policies - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Accounting Policies [Line Items] |  |
Antidilutive securities excluded from computation of diluted net loss per share | 9,930,000 | 9,248,000
Options Outstanding [Member] |  |
Accounting Policies [Line Items] |  |
Antidilutive securities excluded from computation of diluted net loss per share | 3,896,000 | 1,794,000
RSA [Member] |  |
Accounting Policies [Line Items] |  |
Antidilutive securities excluded from computation of diluted net loss per share | 105,000 | 161,000
Unvested common stock subject to repurchase [Member] |  |
Accounting Policies [Line Items] |  |
Antidilutive securities excluded from computation of diluted net loss per share | 22,000 | 75,000
Warrants To Purchase Common Stock [Member] |  |
Accounting Policies [Line Items] |  |
Antidilutive securities excluded from computation of diluted net loss per share | 5,907,000 | 7,218,000

X
- Definition Accounting policies. + References No definition available. + Details
Name: | srzn_AccountingPoliciesLineItems
Namespace Prefix: | srzn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=srzn_RestrictedStockAwardRSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=srzn_UnvestedCommonStockSharesSubjectToRepurchaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=srzn_WarrantToPurchaseCommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |