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v3.26.1

Subsequent Events (Details) - At Market Issuance sales - USD ($) $ in Millions | 1 Months Ended |  |
--- | --- | --- | ---
Jan. 31, 2026 | Mar. 24, 2026 | Aug. 31, 2024
Subsequent Events |  |  |
Aggregate offering price |  |  | $ 5.8
Subsequent Event |  |  |
Subsequent Events |  |  |
Threshold Percentage of Compensation from Gross Proceeds | 3.00% |  |
Aggregate offering price | $ 3.5 |  |
Aggregate value of shares remaining from agreement |  | $ 3.2 |

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- Definition The aggregate value of common shares reserved for future issuance as per the agreement. + References No definition available. + Details
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Namespace Prefix: | sngx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The aggregate value of shares to be issued or sold by the entity as per the stock transaction. + References No definition available. + Details
Name: | sngx_SaleOfStockAggregateValueOfSharesToBeIssuedInTransaction
Namespace Prefix: | sngx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Represents information pertaining to threshold percentage of compensation from gross proceeds. + References No definition available. + Details
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Namespace Prefix: | sngx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 855 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483399/855-10-50-2 + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=sngx_AtMarketIssuanceSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |