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v3.26.1

Commitments and Contingencies (Details) - USD ($) |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 | Mar. 31, 2026 | Dec. 31, 2025
Commitments and Contingencies [Line Items] |  |  |
Unpaid federal income tax balance owed (in Dollars) |  | $ 2,200,000 | $ 2,200,000
HBC Holdback Shares [Member] |  |  |
Commitments and Contingencies [Line Items] |  |  |
Issuance of share |  | 4,000 | 4,000
G3 Holdback Shares [Member] |  |  |
Commitments and Contingencies [Line Items] |  |  |
Issuance of share | 4,000 | 4,000 |

X
- Definition The amount of unpaid federal income tax balance owed. + References No definition available. + Details
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Namespace Prefix: | sti_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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_OtherCommitmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares issued or sold by the subsidiary or equity method investee per stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=sti_HBCHoldbackSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=sti_G3HoldbackSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |