XML 53 R40.htm IDEA: XBRL DOCUMENT
v3.23.1

License Agreements - Additional Information (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended
--- | --- | ---
Jun. 30, 2018 | Sep. 30, 2016 | Mar. 31, 2016 | Mar. 31, 2023 | Mar. 31, 2022
License Agreements [Line Items] |  |  |  |  |
Research and development expense |  |  |  | $ 8,086 | $ 9,371
Stanford License Agreements [Member] | Stanford [Member] |  |  |  |  |
License Agreements [Line Items] |  |  |  |  |
Payments for milestone agreement or earned royalties on achievement of milestones |  |  | $ 5,000 |  |
Payments for achievement of specified development and regulatory milestones | $ 400 |  |  |  |
Payments for milestone agreement on achievement of milestones |  |  |  | 0 |
Stanford License Agreements [Member] | Stanford [Member] | Maximum |  |  |  |  |
License Agreements [Line Items] |  |  |  |  |
Payments for milestone agreement or earned royalties on achievement of milestones |  |  | $ 900 |  |
UCSF License And Option Agreements [Member] | Stanford [Member] |  |  |  |  |
License Agreements [Line Items] |  |  |  |  |
Payments for milestone agreement on achievement of milestones |  |  |  | 0 |
Distributed Bio Subscription Agreement [Member] |  |  |  |  |
License Agreements [Line Items] |  |  |  |  |
Payments for achievement of specified development and regulatory milestones |  | $ 5,900 |  |  |
Distributed Bio Subscription Agreement [Member] | Stanford [Member] |  |  |  |  |
License Agreements [Line Items] |  |  |  |  |
Research and development expense |  |  |  | $ 100 |

X
- Definition License Agreements Line Items. + References No definition available. + Details
Name: | srzn_LicenseAgreementsLineItems
Namespace Prefix: | srzn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Payments for achievement of specified development and regulatory milestones. + References No definition available. + Details
Name: | srzn_PaymentsForAchievementOfSpecifiedDevelopmentAndRegulatoryMilestones
Namespace Prefix: | srzn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Payments for milestone agreement on achievement of milestones. + References No definition available. + Details
Name: | srzn_PaymentsForMilestoneAgreementOnAchievementOfMilestones
Namespace Prefix: | srzn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Payments for milestone agreement or earned royalties on achievement of milestones. + References No definition available. + Details
Name: | srzn_PaymentsForMilestoneAgreementOrEarnedRoyaltiesOnAchievementOfMilestones
Namespace Prefix: | srzn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 912 -SubTopic 730 -Section 25 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6472174&loc=d3e58812-109433 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 + Details
Name: | us-gaap_ResearchAndDevelopmentExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis=srzn_StanfordLicenseAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=srzn_StanfordMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis=srzn_UCSFLicenseAndOptionAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis=srzn_DistributedBioSubscriptionAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |