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

Note 24 - Subsequent Events (Details Textual) - USD ($) $ in Thousands			2 Months Ended	12 Months Ended
	Dec. 05, 2021	Dec. 01, 2021	Feb. 11, 2022	Nov. 30, 2021
Las Vegas, Nevada [Member]
Operating Lease, Monthly Base Rent Expense				$ 4
Fort Wayne, Indiana [Member]
Operating Lease, Monthly Base Rent Expense				$ 8
Subsequent Event [Member]
Stock Repurchase Program, Authorized Amount	$ 30,000
Stock Repurchase Program, Period in Force (Year)	2 years
Subsequent Event [Member] \| Las Vegas, Nevada [Member]
Operating Lease, Monthly Base Rent Expense		$ 4
Subsequent Event [Member] \| Fort Wayne, Indiana [Member]
Lessee, Operating Lease, Lease Not yet Commenced, Monthly Base Rent Expense			$ 20