Represents the term associated with the extended product warranty.

No definition available.

Name:	byrn_ExtendedProductWarrantyTerm
Namespace Prefix:	byrn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

In reference to Company reserves for Reserve for Returns, Discounts, and Allowances

+ References

No definition available.

+ Details

Name:	byrn_ReserveForReturnsDiscountsAndAllowances
Namespace Prefix:	byrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The net adjustment to the amount of expense related to royalty payments under a contractual arrangement.

+ References

No definition available.

+ Details

Name:	byrn_RoyaltyExpenseNetAdjustment
Namespace Prefix:	byrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the term associated with the standard product warranty.

+ References

No definition available.

+ Details

Name:	byrn_StandardProductWarrantyTerm
Namespace Prefix:	byrn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

+ Details

Name:	us-gaap_AccountsReceivableNetCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of allowance for credit loss on accounts receivable, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-4

+ Details

Name:	us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-11

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-8

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-2

+ Details

Name:	us-gaap_ContractWithCustomerLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-8

+ Details

Name:	us-gaap_ContractWithCustomerLiabilityRevenueRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=byrn_RoyaltyReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 10 - Revenue, Deferred Revenue and Accounts Receivable (Details Textual) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Aug. 31, 2026	May 31, 2026	Aug. 31, 2025	May 31, 2025	Aug. 31, 2026	Aug. 31, 2025	Nov. 30, 2025	Nov. 30, 2024
Standard Product Warranty, Term (Year)					1 year
Extended Product Warranty, Term (Year)				5 years	3 years
Reserve for Returns, Discounts, and Allowances		$ 100			$ 100
Royalty Expense, Net Adjustment	$ (300)
Accounts Receivable, after Allowance for Credit Loss, Current	2,538				2,538		$ 10,840	$ 2,600
Accounts Receivable, Allowance for Credit Loss, Current	2,100				2,100		100	300
Contract with Customer, Liability	204				204		521	1,808
Contract with Customer, Liability, Revenue Recognized	$ 100		$ 100		$ 100	$ 100
Royalty Receivable [Member]
Accounts Receivable, after Allowance for Credit Loss, Current		$ 800					$ 1,100	$ 0