XML 52 R41.htm IDEA: XBRL DOCUMENT
v3.26.1

Warrants (Details) |  |  |  |  |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 09, 2026 $ / shares shares | Jun. 07, 2026 shares | Feb. 05, 2026 shares | Dec. 08, 2025 shares | Oct. 24, 2025 shares | Oct. 08, 2025 shares | Jun. 30, 2026 USD ($) $ / shares shares | Jun. 30, 2025 USD ($) shares | Mar. 31, 2025 shares | Jun. 30, 2026 USD ($) $ / shares shares | Jun. 30, 2025 USD ($) shares | Dec. 31, 2025 USD ($) shares | Dec. 31, 2022 $ / shares shares | May 14, 2025 $ / shares shares
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of warrants (in Dollars) | $ |  |  |  |  |  |  | $ 917,780 | $ 216,150 |  | $ 356,430 | $ (12,201,300) |  |  |
Gain on warrants (in Dollars) | $ |  |  |  |  |  |  |  |  |  |  | 2,167,550 |  |  |
IPO Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants outstanding |  |  |  |  |  |  |  |  |  |  |  |  | 123,500 |
Share of common stock |  |  |  |  |  |  |  |  |  |  |  |  | 1 |
Public warrants expire term |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |
Redemption price per warrant (in Dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  | $ 0.5 |  |  |  |
Prior notice periods |  |  |  |  |  |  |  |  |  | 30 days |  |  |  |
Stock price trigger for redemption of warrants (in Dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  | $ 900 |  |  |  |
Exercise price (in Dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  | $ 575 |
Number of Warrants Issued |  |  |  |  |  |  |  |  |  | 123,500 |  |  |  |
Private Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of trading days |  |  |  |  |  |  |  |  |  | 10 days |  |  |  |
Number of Warrants Issued |  |  |  |  |  |  |  |  |  | 108,100 |  |  |  |
Series C Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants outstanding |  |  |  |  |  |  | 2,461,538 |  |  | 2,461,538 |  |  |  |
Non-cash gains (loss) from change in fair value of derivatives | $ |  |  |  |  |  |  |  | $ 1,500,300 |  |  |  |  |  |
New holders received shares |  |  |  |  | 3,447,957 |  |  |  |  |  |  |  |  |
Series D Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-cash gains (loss) from change in fair value of derivatives | $ |  |  |  |  |  |  |  |  |  |  | $ 4,382,250 | $ 31,033,241 |  |
Series B Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of warrants (in Dollars) | $ |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  |  |
Warrants shares exercised |  |  |  |  |  |  | 114,992 | 114,992 |  | 114,992 | 114,992 |  |  |
Warrants remained outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of warrants |  |  |  |  |  |  | 114,992 |  |  | 114,992 |  |  |  |
Series A Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of warrants (in Dollars) | $ |  |  |  |  |  |  |  |  |  | $ 3,015,191 | $ 2,787,750 |  |  |
Warrants shares exercised |  |  |  |  |  |  | 609,476 | 289,613 |  | 609,476 | 289,613 |  |  |
Warrants remained outstanding |  |  |  |  |  |  | 340,315 |  |  | 340,315 |  |  |  |
Purchase of warrants |  |  |  |  |  |  | 609,476 |  |  | 609,476 |  |  |  |
Series A Warrants [Member] | Stock price [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option pricing model assumptions |  |  |  |  |  |  | 9.29 |  |  | 9.29 |  |  |  |
Series A Warrants [Member] | Exercise Price [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option pricing model assumptions |  |  |  |  |  |  | 3.1 |  |  | 3.1 |  |  |  |
Series A Warrants [Member] | Expected Term [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option pricing model assumptions |  |  |  |  |  |  | 3.4 |  |  | 3.4 |  |  |  |
Series A Warrants [Member] | Risk-Free Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option pricing model assumptions |  |  |  |  |  |  | 0.041 |  |  | 0.041 |  |  |  |
Series A Warrants [Member] | Expected Dividend Yield [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option pricing model assumptions |  |  |  |  |  |  | 0 |  |  | 0 |  |  |  |
Series A and B Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants outstanding |  |  |  |  |  |  | 687,225 |  |  | 687,225 |  |  |  |
Exercise price (in Dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3.0951
Non-cash gains (loss) from change in fair value of derivatives | $ |  |  |  |  |  |  | $ (375,180) |  |  | $ 11,570 |  |  |  |
Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series C and Series D Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants shares exercised |  |  |  |  |  |  |  |  |  |  |  | 3,688,357 |  |
Issuance of common stock |  |  |  |  |  |  |  |  |  |  |  | 3,447,957 |  |
Exercise price (in Dollars per share) | $ / shares |  |  |  |  |  |  | $ 3.25 |  |  | $ 3.25 |  |  |  |
Number of warrants |  |  |  |  |  | 1 |  |  |  |  |  |  |  |
Pending issuance |  |  |  |  |  |  |  |  |  |  |  | 240,400 |  |
Number of floor price | $ / shares |  |  |  |  |  |  |  |  |  | $ 3.25 |  |  |  |
Pre-Funded Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price (in Dollars per share) | $ / shares | $ 0.0001 |  |  |  |  |  |  |  |  |  |  |  |  |
Pending issuance |  | 1,583,000 |  |  |  |  |  |  |  |  |  |  |  |
Beneficially own percentage | 4.99% |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of election upon issuance | 9.99% |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants exercised |  |  |  |  |  |  |  |  |  |  |  |  |  |
Placement Agent Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants outstanding |  |  |  |  |  |  | 116,650 |  |  | 116,650 |  |  |  |
Exercise price (in Dollars per share) | $ / shares |  |  |  |  |  |  | $ 17.25 |  |  | $ 17.25 |  |  |  |
Percentage of purchase price |  |  |  |  |  |  |  |  |  | 115.00% |  |  |  |
Number of days subject to lock-up |  |  |  |  |  |  |  |  |  | 180 days |  |  |  |
Grant-date fair value | $ |  |  |  |  |  |  |  |  |  | $ 1,938,014 |  |  |  |
Expire date |  |  |  |  |  |  |  |  |  | Jun. 07, 2031 |  |  |  |
Placement Agent Warrants [Member] | Stock price [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option pricing model assumptions |  |  |  |  |  |  | 20.47 |  |  | 20.47 |  |  |  |
Placement Agent Warrants [Member] | Exercise Price [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option pricing model assumptions |  |  |  |  |  |  | 17.25 |  |  | 17.25 |  |  |  |
Placement Agent Warrants [Member] | Expected Term [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option pricing model assumptions |  |  |  |  |  |  | 5 |  |  | 5 |  |  |  |
Placement Agent Warrants [Member] | Risk-Free Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option pricing model assumptions |  |  |  |  |  |  | 4.26 |  |  | 4.26 |  |  |  |
Placement Agent Warrants [Member] | Expected Dividend Yield [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option pricing model assumptions |  |  |  |  |  |  | 0 |  |  | 0 |  |  |  |
Placement Agent Warrants [Member] | Expected Volatility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option pricing model assumptions |  |  |  |  |  |  | 107.5 |  |  | 107.5 |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issued shares |  |  |  |  |  |  |  |  | 100 |  |  |  |  |
Common Stock [Member] | Series A and B Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock |  |  |  |  |  |  | 687,225 | 404,605 |  | 687,225 | 404,605 |  |  |
Common Stock [Member] | Pre-Funded Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of warrants | 1,583,000 |  |  |  |  |  | 1,583,000 |  |  | 1,583,000 |  |  |  |
Common Stock [Member] | Placement Agent Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of warrants |  |  |  |  |  |  | 116,650 |  |  | 116,650 |  |  |  |
Anson Investments Master Fund LP ("Anson") [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issued shares |  |  |  | 240,400 |  |  |  |  |  |  |  |  |  |
Investors [Member] | Series A Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants outstanding |  |  |  |  |  |  |  | 810,389 |  |  | 810,389 |  |  |
Termination Agreement [Member] | Anson Investments Master Fund LP ("Anson") [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issued shares |  |  | 240,400 |  |  |  |  |  |  |  |  |  |  |
March Private Placement [Member] | Investors [Member] | Series A and B Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  | 810,389
Minimum [Member] | IPO Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Threshold consecutive trading days for redemption of warrants |  |  |  |  |  |  |  |  |  | 20 days |  |  |  |
Maximum [Member] | IPO Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Threshold consecutive trading days for redemption of warrants |  |  |  |  |  |  |  |  |  | 30 days |  |  |  |

X
- Definition Price of the entity's common stock which would be required to be attained to trigger the redemption of warrants. + References No definition available. + Details
Name: | sti_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsStockPriceTrigger
Namespace Prefix: | sti_
Data Type: | dtr:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Threshold number of specified consecutive trading days for stock price trigger considered for redemption of warrants. + References No definition available. + Details
Name: | sti_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdConsecutiveTradingDays
Namespace Prefix: | sti_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Redemption price per share or per unit of warrants or rights outstanding. + References No definition available. + Details
Name: | sti_ClassOfWarrantOrRightRedemptionPriceOfWarrantsOrRights
Namespace Prefix: | sti_
Data Type: | dtr:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of class of warrants shares exercised. + References No definition available. + Details
Name: | sti_ClassOfWarrantsSharesExercised
Namespace Prefix: | sti_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of common stock issued upon exercise of warrant. + References No definition available. + Details
Name: | sti_CommonStockIssuedUponExerciseOfWarrant
Namespace Prefix: | sti_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Expire date. + References No definition available. + Details
Name: | sti_ExpireDate
Namespace Prefix: | sti_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of grant-date fair value. + References No definition available. + Details
Name: | sti_GrantdateFairValue
Namespace Prefix: | sti_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of days subject to lock up. + References No definition available. + Details
Name: | sti_NumberOfDaysSubjectToLockUp
Namespace Prefix: | sti_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of floor price + References No definition available. + Details
Name: | sti_NumberOfFloorPrice
Namespace Prefix: | sti_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares purchased common stock. + References No definition available. + Details
Name: | sti_NumberOfPurchasedCommonStock
Namespace Prefix: | sti_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of ratio warrants shares. + References No definition available. + Details
Name: | sti_NumberOfRatioWarrantsShare
Namespace Prefix: | sti_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of trading days. + References No definition available. + Details
Name: | sti_NumberOfTradingDays
Namespace Prefix: | sti_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of warrants issued. + References No definition available. + Details
Name: | sti_NumberOfWarrantsIssued
Namespace Prefix: | sti_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage Of Outstanding Common Stock. + References No definition available. + Details
Name: | sti_PercentageOfOutstandingCommonStock
Namespace Prefix: | sti_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of purchase price per share. + References No definition available. + Details
Name: | sti_PercentageOfPurchasePricePerShare
Namespace Prefix: | sti_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of shares owned by holder. + References No definition available. + Details
Name: | sti_PercentageOfSharesOwnedByHolder
Namespace Prefix: | sti_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of days warrants prior notice period. + References No definition available. + Details
Name: | sti_WarrantsPriorNoticePeriodDays
Namespace Prefix: | sti_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of warrants remained outstanding. + References No definition available. + Details
Name: | sti_WarrantsRemainedOutstanding
Namespace Prefix: | sti_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
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 Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 + Details
Name: | us-gaap_ClassOfWarrantOrRightLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 + Details
Name: | us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of warrants or rights outstanding. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-3 + Details
Name: | us-gaap_ConversionOfStockSharesIssued1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expense (income) related to adjustment to fair value of warrant liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
Name: | us-gaap_FairValueAdjustmentOfWarrants
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482881/825-10-55-10 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482881/825-10-55-12 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-30 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-32 + Details
Name: | us-gaap_FairValueOptionChangesInFairValueGainLoss1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)(h)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(7)(a)(7)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(7)(a)(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(7)(a)(5)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(7)(a)(6)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1 + Details
Name: | us-gaap_GainLossOnSaleOfDerivatives
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480100/505-10-S45-3 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480100/505-10-S45-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480657/210-10-S50-11 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of new stock issued during the period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480070/505-10-S50-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480100/505-10-S45-3 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480100/505-10-S45-2 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477657/942-210-S45-1 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478478/942-210-S50-1 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(20)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(19)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480657/210-10-S50-11 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478448/946-505-50-2 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(4)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-03(i)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479886/946-10-S99-3 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of share options (or share units) exercised during the current period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480070/505-10-S50-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480100/505-10-S45-3 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480100/505-10-S45-2 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477657/942-210-S45-1 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478478/942-210-S50-1 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(20)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(19)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480657/210-10-S50-11 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(02) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_WarrantsAndRightsOutstandingMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_WarrantsAndRightsOutstandingTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=sti_IPOWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=sti_PrivateWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=sti_SeriesCWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=sti_SeriesDWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=sti_SeriesBWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=sti_SeriesAWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputSharePriceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExercisePriceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExpectedTermMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputRiskFreeInterestRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExpectedDividendRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=sti_SeriesAAndBWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=us-gaap_WarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=sti_WarrantsSeriesCAndDMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=sti_PreFundedWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=sti_PlacementAgentWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputOptionVolatilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=sti_AnsonInvestmentsMasterFundLPAnsonMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
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: |