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Reward Card Program Liability (Details) - USD ($) | Sep. 30, 2021 | Dec. 31, 2020 | Dec. 31, 2019
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Reward Card Program Liability [Abstract] |  |  |
Deposits totaling | $ 43,878 | $ 173,270 | $ 2,069,119

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- References No definition available. + Details
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Namespace Prefix: | strn_
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Balance Type: | na
Period Type: | duration

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- Definition The current portion, due within one year or one operating cycle, if longer, of deposits held other than customer deposits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant