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REVENUE, DEFERRED REVENUE AND ACCOUNTS RECEIVABLE (Details) | 6 Months Ended
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May 31, 2020 USD ($)
Revenue, Deferred Revenue And Accounts Receivable [Abstract] |
Deferred revenue balance at beginning of period | $ 10,842
Net additions to deferred revenue during the period | 155,066
Reductions in deferred revenue for revenue recognized during the period | (17,838)
Deferred revenue balance at end of period | $ 148,070

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

X
- 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
Name: | us-gaap_DeferredRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant