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v3.21.4

Long-Term Debt (Details) - Schedule of long-term debt (Parentheticals) - USD ($) | 12 Months Ended
--- | ---
Sep. 30, 2021 | Dec. 31, 2020
PPP Loan [Member] |  |
Debt Instrument [Line Items] |  |
Monthly installments | $ 1,209 | $ 1,209
Loan payable, percentage | 1.00% | 1.00%
EIDL Loan [Member] |  |
Debt Instrument [Line Items] |  |
Monthly installments | $ 731 | $ 731
Loan payable, percentage | 3.75% | 3.75%

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- Definition Loan payable, percentage. + References No definition available. + Details
Name: | strn_LoanPayablePercentage
Namespace Prefix: | strn_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of monthly installments. + References No definition available. + Details
Name: | strn_MonthlyInstallments
Namespace Prefix: | strn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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- Details
Name: | us-gaap_LongtermDebtTypeAxis=strn_PPPLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=strn_EIDLLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |