SHAREHOLDERS EQUITY - Summary of Stock Option Outstanding (Details) - $ / shares	9 Months Ended
Jun. 30, 2025	Sep. 30, 2024
SHAREHOLDERS' EQUITY
Stock options, Exercise price	$ 5.33	$ 5.48
Number of options	8,697,878	9,212,274
Weighted average remaining contractual life (years)	5 years 4 months 9 days
Exercise Price $2.39 - $3.23
SHAREHOLDERS' EQUITY
Stock options, Exercise price, Minimum	$ 2.39
Stock options, Exercise price, Maximum	$ 3.23
Number of options	3,550,536
Weighted average remaining contractual life (years)	4 years 4 months 9 days
Exercise Price $3.59 - $3.75
SHAREHOLDERS' EQUITY
Stock options, Exercise price, Minimum	$ 3.59
Stock options, Exercise price, Maximum	$ 3.75
Number of options	888,323
Weighted average remaining contractual life (years)	6 years 9 months 18 days
Exercise Price $3.81 - $4.67
SHAREHOLDERS' EQUITY
Stock options, Exercise price, Minimum	$ 3.81
Stock options, Exercise price, Maximum	$ 4.67
Number of options	911,897
Weighted average remaining contractual life (years)	3 years 2 months 1 day
Exercise Price $5.99 - $7.00
SHAREHOLDERS' EQUITY
Stock options, Exercise price, Minimum	$ 5.99
Stock options, Exercise price, Maximum	$ 7
Number of options	1,644,896
Weighted average remaining contractual life (years)	5 years 7 months 9 days
Exercise Price $8.47 - $9.76
SHAREHOLDERS' EQUITY
Stock options, Exercise price, Minimum	$ 8.47
Stock options, Exercise price, Maximum	$ 9.76
Number of options	1,343,018
Weighted average remaining contractual life (years)	8 years 3 months 3 days
Exercise Price $13.96
SHAREHOLDERS' EQUITY
Stock options, Exercise price	$ 13.96
Number of options	190,000
Weighted average remaining contractual life (years)	5 years 6 months 14 days
Exercise Price $31.62
SHAREHOLDERS' EQUITY
Stock options, Exercise price	$ 31.62
Number of options	48,958
Weighted average remaining contractual life (years)	5 years 11 months 1 day
Exercise Price C$4.90
SHAREHOLDERS' EQUITY
Stock options, Exercise price	$ 4.9
Number of options	105,250
Weighted average remaining contractual life (years)	2 years 2 months 15 days
Exercise Price C$5.06
SHAREHOLDERS' EQUITY
Stock options, Exercise price	$ 5.06
Number of options	15,000
Weighted average remaining contractual life (years)	3 years 7 months 9 days

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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