Byrna Technologies Inc. Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS' EQUITY (Details)	6 Months Ended
STOCKHOLDERS' EQUITY (Details)	May 31, 2020 $ / shares shares
Equity [Abstract]
Warrants outstanding, beginning of period \| shares	45,787,219
Warrants granted \| shares	2,146,836
Warrants exercised \| shares	(20,097,032)
Warrants outstanding, end of period \| shares	27,837,023
Warrants exercisable, end of period \| shares	27,837,023
Warrants outstanding, beginning of period, weighted average exercise price \| $ / shares	$ 0.22
Warrants granted, weighted average exercise price \| $ / shares	0.25
Warrants expired, weighted average exercise price \| $ / shares	(0.16)
Warrants outstanding, end of period, weighted average exercise price \| $ / shares	0.20
Warrants exercisable, end of period, weighted average exercise price \| $ / shares	$ 0.20