XML 52 R44.htm IDEA: XBRL DOCUMENT
v3.19.3

Collaborative Arrangement - Additional Information (Detail) - USD ($) | 12 Months Ended
--- | ---
Sep. 30, 2019 | Sep. 30, 2018
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |
Deferred revenue, current portion |  | $ 9,646,000
Long-term deferred revenue |  | 11,247,000
Abbott [Member] |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |
Upfront fee received | $ 25,000,000 | 25,000,000
Collaborative arrangement milestone payment received | 10,000,000 |
Collaboration revenue recognized | 13,500,000 | $ 4,400,000
Proceeds from collaborative arrangement | 35,000,000 |
Collaborative arrangement revenue recognized from milestone | 5,100,000 |
Collaborative arrangement revenue recognized from milestone related to proportional performance | 1,700,000 |
Collaboration revenue unrecognized | 35,000,000 |
Deferred revenue, current portion | 5,500,000 |
Long-term deferred revenue | 11,600,000 |
Abbott [Member] | Maximum [Member] |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |
Collaborative arrangement additional potential milestone payments receivable | $ 57,000,000 |

X
- Definition Collaborative arrangement additional potential milestone payments receivable. + References No definition available. + Details
Name: | srdx_CollaborativeArrangementAdditionalPotentialMilestonePaymentsReceivable
Namespace Prefix: | srdx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Collaborative arrangement milestone payment received. + References No definition available. + Details
Name: | srdx_CollaborativeArrangementMilestonePaymentReceived
Namespace Prefix: | srdx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Collaborative arrangement revenue recognized from milestone. + References No definition available. + Details
Name: | srdx_CollaborativeArrangementRevenueRecognizedFromMilestone
Namespace Prefix: | srdx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Collaborative arrangement revenue recognized from milestone related to proportional performance. + References No definition available. + Details
Name: | srdx_CollaborativeArrangementRevenueRecognizedFromMilestoneRelatedToProportionalPerformance
Namespace Prefix: | srdx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Collaborative revenue unrecognized. + References No definition available. + Details
Name: | srdx_CollaborativeRevenueUnrecognized
Namespace Prefix: | srdx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Proceeds from collaborative arrangement. + References No definition available. + Details
Name: | srdx_ProceedsFromCollaborativeArrangement
Namespace Prefix: | srdx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Upfront fee received. + References No definition available. + Details
Name: | srdx_UpfrontFeeReceived
Namespace Prefix: | srdx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130532-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045 + Details
Name: | us-gaap_ContractWithCustomerLiabilityCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130532-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045 + Details
Name: | us-gaap_ContractWithCustomerLiabilityNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of compensation earned (contract income) under a research and development arrangement accounted for as a contract to perform research and development for others. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6420387&loc=d3e23221-108380 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6420387&loc=d3e23199-108380 + Details
Name: | us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersCompensationEarned
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_CounterpartyNameAxis=srdx_AbbottMember
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: |