XML 35 R25.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Summary of Significant Accounting Policies (Details) - Schedule of potentially dilutive shares - shares | 9 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021
Summary of Significant Accounting Policies (Details) - Schedule of potentially dilutive shares [Line Items] |  |
Total potentially dilutive shares | 433,429 | 368,080
Series C convertible preferred stock [Member] |  |
Summary of Significant Accounting Policies (Details) - Schedule of potentially dilutive shares [Line Items] |  |
Total potentially dilutive shares |  | 15,133
Stock options [Member] |  |
Summary of Significant Accounting Policies (Details) - Schedule of potentially dilutive shares [Line Items] |  |
Total potentially dilutive shares | 28,849 | 6,000
Warrants [Member] |  |
Summary of Significant Accounting Policies (Details) - Schedule of potentially dilutive shares [Line Items] |  |
Total potentially dilutive shares | 404,580 | 347,080

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

X
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=silo_SeriesCConvertiblePreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=silo_StockOptionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=silo_WarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |