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v3.22.0.1

Note 1 - Nature of Operations (Details Textual) | Nov. 30, 2021 a
--- | ---
Number of Facilities | 2
Fort Wayne, Indiana [Member] |
Area of Real Estate Property (Acre) | 14,000
Pretoria South Africa [Member] |
Area of Real Estate Property (Acre) | 10,000

X
- Definition Represents the number of operating facilities. + References No definition available. + Details
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Namespace Prefix: | byrn_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Area of a real estate property. + References No definition available. + Details
Name: | us-gaap_AreaOfRealEstateProperty
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:areaItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_RealEstatePropertiesAxis=byrn_FortWayneIndianaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RealEstatePropertiesAxis=byrn_PretoriaSouthAfricaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |