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SHAREHOLDERS EQUITY (Summary of Stock Option Outstanding) (Details) | 6 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2023 $ / shares shares | Mar. 31, 2023 $ / shares shares | Sep. 30, 2022 $ / shares shares | Sep. 30, 2021 $ / shares shares
SHAREHOLDERS' EQUITY |  |  |  |
Stock options, Exercise price | $ / shares | $ 5.08 |  | $ 5.13 | $ 5.20
Number of options | shares | 8,045,274 | 8,045,274 | 7,902,061 | 6,803,230
Weighted average remaining contractual life (years) | 7 years 1 month 24 days |  |  |
Exercise Price $2.39 [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Stock options, Exercise price | $ / shares | $ 2.39 |  |  |
Number of options | shares | 50,000 | 50,000 |  |
Weighted average remaining contractual life (years) | 9 years 5 months 15 days |  |  |
Exercise Price $2.91 [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Stock options, Exercise price | $ / shares | $ 2.91 |  |  |
Number of options | shares | 175,000 | 175,000 |  |
Weighted average remaining contractual life (years) | 9 years 9 months 29 days |  |  |
Exercise Price $3.23 [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Stock options, Exercise price | $ / shares | $ 3.23 |  |  |
Number of options | shares | 3,629,400 | 3,629,400 |  |
Weighted average remaining contractual life (years) | 6 years 6 months 7 days |  |  |
Exercise Price $3.59 [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Stock options, Exercise price | $ / shares | $ 3.59 |  |  |
Number of options | shares | 26,667 | 26,667 |  |
Weighted average remaining contractual life (years) | 6 years 6 months 18 days |  |  |
Exercise Price $3.60 [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Stock options, Exercise price | $ / shares | $ 3.60 |  |  |
Number of options | shares | 922,500 | 922,500 |  |
Weighted average remaining contractual life (years) | 9 years 3 months |  |  |
Exercise Price $3.75 [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Stock options, Exercise price | $ / shares | $ 3.75 |  |  |
Number of options | shares | 20,000 | 20,000 |  |
Weighted average remaining contractual life (years) | 9 years 8 months 4 days |  |  |
Exercise Price $3.81 [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Stock options, Exercise price | $ / shares | $ 3.81 |  |  |
Number of options | shares | 185,816 | 185,816 |  |
Weighted average remaining contractual life (years) | 5 years 10 months 13 days |  |  |
Exercise Price $4.00 [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Stock options, Exercise price | $ / shares | $ 4.00 |  |  |
Number of options | shares | 539,518 | 539,518 |  |
Weighted average remaining contractual life (years) | 4 years 8 months 23 days |  |  |
Exercise Price $4.67 [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Stock options, Exercise price | $ / shares | $ 4.67 |  |  |
Number of options | shares | 168,227 | 168,227 |  |
Weighted average remaining contractual life (years) | 6 years 7 months 2 days |  |  |
Exercise Price $5.99 [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Stock options, Exercise price | $ / shares | $ 5.99 |  |  |
Number of options | shares | 190,000 | 190,000 |  |
Weighted average remaining contractual life (years) | 9 years 25 days |  |  |
Exercise Price $7.00 [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Stock options, Exercise price | $ / shares | $ 7.00 |  |  |
Number of options | shares | 1,458,646 | 1,458,646 |  |
Weighted average remaining contractual life (years) | 7 years 8 months 12 days |  |  |
Exercise Price $8.47 [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Stock options, Exercise price | $ / shares | $ 8.47 |  |  |
Number of options | shares | 120,000 | 120,000 |  |
Weighted average remaining contractual life (years) | 8 years 6 months 14 days |  |  |
Exercise Price $13.96 [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Stock options, Exercise price | $ / shares | $ 13.96 |  |  |
Number of options | shares | 190,000 | 190,000 |  |
Weighted average remaining contractual life (years) | 7 years 9 months 14 days |  |  |
Exercise Price $29.63 [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Stock options, Exercise price | $ / shares | $ 29.63 |  |  |
Number of options | shares | 100,000 | 100,000 |  |
Weighted average remaining contractual life (years) | 8 years 29 days |  |  |
Exercise Price $31.62 [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Stock options, Exercise price | $ / shares | $ 31.62 |  |  |
Number of options | shares | 75,000 | 75,000 |  |
Weighted average remaining contractual life (years) | 8 years 2 months 1 day |  |  |
Exercise Price C$4.90 [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Stock options, Exercise price | $ / shares |  | $ 4.90 |  |
Number of options | shares | 124,500 | 124,500 |  |
Weighted average remaining contractual life (years) | 4 years 1 month 17 days |  |  |
Exercise Price C$5.06 [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Stock options, Exercise price | $ / shares |  | $ 5.06 |  |
Number of options | shares | 20,000 | 20,000 |  |
Weighted average remaining contractual life (years) | 5 years 10 months 13 days |  |  |
Exercise Price C$9.76 [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Stock options, Exercise price | $ / shares | $ 9.76 |  |  |
Number of options | shares | 50,000 | 50,000 |  |
Weighted average remaining contractual life (years) | 8 years 10 months 20 days |  |  |

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