Byrna Technologies Inc. Annual report pursuant to Section 13 and 15(d)

v3.22.0.1

Note 18 - Leases (Details Textual) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
Note 18 - Leases (Details Textual) - USD ($) $ in Thousands	Feb. 28, 2021	Nov. 30, 2021	Nov. 30, 2020	Nov. 30, 2019
Wilmington/Andover, Massachusetts [Member]
Maximum Allowance for Tenant Improvements				$ 200
Base Rent		$ 100
Lease Expiration Date		Feb. 29, 2028
SOUTH AFRICA
Operating Lease, Monthly Base Rent Expense		$ 5	$ 4
Lease Expiration Date			Nov. 30, 2020
Fort Wayne, Indiana [Member]
Operating Lease, Monthly Base Rent Expense		$ 8
Lease Expiration Date		Jul. 31, 2025
Fort Wayne, Indiana [Member] \| Lease Termination Agreement [Member]
Payments for Termination of Operating Lease	$ 20
Lease Expiration Date		Feb. 28, 2022
Las Vegas, Nevada [Member]
Operating Lease, Monthly Base Rent Expense		$ 4
Lease Expiration Date		Aug. 31, 2022

Represents the amount of base rent per year under an operating lease.

No definition available.

Represents the amount related to maximum allowance for tenant improvements.

No definition available.

Name:	byrn_MaximumAllowanceForTenantImprovements
Namespace Prefix:	byrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Represents the amount of base rent per month under an operating lease.

No definition available.

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

Represents the amount of payments made during the period in connection with the termination of an operating lease.

No definition available.

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

Date which lease or group of leases is set to expire, in YYYY-MM-DD format.

No definition available.

Name:	us-gaap_LeaseExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

Name:	srt_StatementGeographicalAxis=byrn_WilmingtonAndoverMassachusettsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_StatementGeographicalAxis=country_ZA
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_StatementGeographicalAxis=byrn_FortWayneIndianaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_TypeOfArrangementAxis=byrn_LeaseTerminationAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_StatementGeographicalAxis=byrn_LasVegasNevadaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: