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Unearned Revenue (Details) - Schedule of unearned revenue includes customer deposits and deferred revenue - USD ($) | 3 Months Ended | 12 Months Ended
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Mar. 31, 2022 | Dec. 31, 2021
Schedule of unearned revenue includes customer deposits and deferred revenue [Abstract] |  |
Beginning balance | $ 721,608 | $ 564,227
Revenue recognized | (12,259,583) | (39,702,714)
Amounts collected or invoiced | 13,324,356 | 39,860,095
Ending balance | $ 1,786,381 | $ 721,608

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- Definition Amount of amounts collected or invoiced. + References No definition available. + Details
Name: | strn_AmountsCollectedOrInvoiced
Namespace Prefix: | strn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | strn_RevenueRecognized
Namespace Prefix: | strn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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- Definition Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(26)(c)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DeferredRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant