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

Note 14 - Stock-based Compensation - Valuation Assumptions (Details) - $ / shares	12 Months Ended
	Nov. 30, 2022	Nov. 30, 2021
Maximum [Member]
Market price of the Company’s common stock on date of grant (in dollars per share)		$ 26.9
Minimum [Member]
Market price of the Company’s common stock on date of grant (in dollars per share)		$ 20.9
Share-Based Payment Arrangement, Option [Member]
Risk free rate	3.34%	0.30%
Expected dividends	0.00%	0.00%
Expected volatility	78.44%	92.00%
Expected life (in years) (Year)	6 years 6 months	3 years
Market price of the Company’s common stock on date of grant (in dollars per share)	$ 5.51
Exercise price (in dollars per share)	$ 7.70
Share-Based Payment Arrangement, Option [Member] \| Maximum [Member]
Risk free rate	3.35%	0.64%
Expected dividends	0.00%
Expected volatility	70.00%	113.00%
Expected life (in years) (Year)	1 year 4 months 20 days	5 years
Market price of the Company’s common stock on date of grant (in dollars per share)	$ 8.24	$ 20.94
Exercise price (in dollars per share)		$ 20.20
Share-Based Payment Arrangement, Option [Member] \| Minimum [Member]
Risk free rate		0.26%
Expected volatility		80.00%
Expected life (in years) (Year)		4 years
Market price of the Company’s common stock on date of grant (in dollars per share)	$ 7.69	$ 14.74
Exercise price (in dollars per share)		$ 14.90