XML 66 R57.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Fair Value of Financial Instruments and Fair Value Measurements (Details) - Schedule of assets and liabilities measured at fair value on a recurring basis - USD ($) | Jun. 30, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Level 1 [Member] |  |  |
Fair Value of Financial Instruments and Fair Value Measurements (Details) - Schedule of assets and liabilities measured at fair value on a recurring basis [Line Items] |  |  |
Equity investments consisting of common stock, at fair value | $ 113,012 | $ 419,995 |
Level 2 [Member] |  |  |
Fair Value of Financial Instruments and Fair Value Measurements (Details) - Schedule of assets and liabilities measured at fair value on a recurring basis [Line Items] |  |  |
Equity investments consisting of common stock, at fair value |  |  |
Level 3 [Member] |  |  |
Fair Value of Financial Instruments and Fair Value Measurements (Details) - Schedule of assets and liabilities measured at fair value on a recurring basis [Line Items] |  |  |
Equity investments consisting of common stock, at fair value |  |  |

X
- References No definition available. + Details
Name: | silo_EquityInvestmentsAtFairValue
Namespace Prefix: | silo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | silo_FairValueofFinancialInstrumentsandFairValueMeasurementsDetailsScheduleofassetsandliabilitiesmeasuredatfairvalueonarecurringbasisLineItems
Namespace Prefix: | silo_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |