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v3.21.2

EXCLUSIVE SUPPLY AND PURCHASE AGREEMENTS (Details Narrative) - Bip Manufacturer [Member] - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
May 31, 2021 | May 31, 2020 | May 31, 2021 | May 31, 2020
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |
Term of agreement |  |  | 4 years |
Additional term of agreement |  |  | 1 year |
Purchases from manufacturer | $ 0 | $ 60 | $ 0 | $ 70

X
- Definition It represents additional term of agreement. + References No definition available. + Details
Name: | byrn_ExtensionForAdditionalTermOfAgreement
Namespace Prefix: | byrn_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of purchases from manufacturer during the period. + References No definition available. + Details
Name: | byrn_PurchasesFromManufacturer
Namespace Prefix: | byrn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition It represents term of agreement. + References No definition available. + Details
Name: | byrn_TermOfAgreement
Namespace Prefix: | byrn_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=byrn_BipManufacturerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |