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REVENUE, DEFERRED REVENUE AND ACCOUNTS RECEIVABLE (Details) - USD ($) | 12 Months Ended
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Nov. 30, 2020 | Nov. 30, 2019
Revenue, Deferred Revenue And Accounts Receivable [Abstract] |  |
Deferred revenue balance, beginning of period | $ 10,842 | $ 10,842
Net additions to deferred revenue | 18,825,995 | 0
Reductions in deferred revenue for revenue recognized during the fiscal year | (13,934,750) |
Deferred revenue balance, end of period | $ 4,902,087 | $ 10,842

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- Definition The amount of decrease in deferred revenue. + References No definition available. + Details
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Namespace Prefix: | byrn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The amount of deferred revenue additions. + References No definition available. + Details
Name: | byrn_DeferredRevenuesAdditions
Namespace Prefix: | byrn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
Name: | byrn_RevenueDeferredRevenueAndAccountsReceivableAbstract
Namespace Prefix: | byrn_
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/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(5)) -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