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Commitments and Contingencies (Tables) | 6 Months Ended
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Mar. 31, 2023
Commitments and Contingencies Disclosure [Abstract] |
Schedule of share purchase warrants outstanding |
Schedule of share purchase warrants outstanding |  |  |  |
Number |  | Exercise Price |  | Expiry Date
| 150,000 |  |  | $ | 3.17 |  |  | May 6, 2024
| 10,000 |  |  | $ | 12.00 |  |  | April 21, 2026
| 160,000 |  |  |  |  |  |  |
Schedule of outstanding stock purchase options |
Schedule of outstanding stock purchase options |  |  |  |  |  |  |  |
|  | Number of Shares |  | Weighted Average Exercise Price ($) |  | Weighted Average Grant Date Fair Value ($) |  | Aggregate intrinsic value ($)
| Outstanding, September 30, 2021 |  |  |  | 11,330,903 |  |  |  | 5.74 |  |  |  | — |  |  |  | 140,132,451 |
| Granted |  |  |  | 2,358,000 |  |  |  | 10.13 |  |  |  | 7.07 |  |  |  | — |
| Forfeited |  |  |  | (118,750 | ) |  |  | 6.86 |  |  |  | 5.23 |  |  |  | — |
| Exercised |  |  |  | (400,537 | ) |  |  | 2.52 |  |  |  | 1.88 |  |  |  | 4,201,015 |
| Outstanding, September 30, 2022 |  |  |  | 13,169,616 |  |  |  | 6.61 |  |  |  |  |  |  |  | 62,267,309 |
| Granted |  |  |  | 1,863,000 |  |  |  | 9.36 |  |  |  | 6.64 |  |  |  | — |
| Exercised |  |  |  | (133,503 | ) |  |  | 3.29 |  |  |  | 2 59 |  |  |  | 868,537 |
| Forfeited |  |  |  | (57,500 | ) |  |  | 11.73 |  |  |  | 9.09 |  |  |  | — |
| Outstanding, March 31, 2023 |  |  |  | 14,841,613 |  |  |  | 6.97 |  |  |  |  |  |  |  | 43,709,206 |
| Exercisable, March 31, 2023 |  |  |  | 9,937,362 |  |  |  | 4.78 |  |  |  |  |  |  |  | 43,099,822 |
Schedule Of Share-based Payment Arrangement, Option, Activity |
Schedule Of Share-based Payment Arrangement, Option, Activity |  |  |  |  |  |  |  |  |  |  |  |
Range of exercises prices |  | Number of Outstanding |  | Weighted average remaining contractual Me |  | Weighted average |  | Number of vested |  | Weighted average
From |  | To |  | options |  | (in years) |  | exercise price |  | options |  | exercise price
$ | 0.92 |  |  | $ | 2.96 |  |  |  | 3,834,559 |  |  |  | 4.60 |  |  | $ | 2.29 |  |  |  | 3,834,559 |  |  | $ | 2.29 |
$ | 3.15 |  |  | $ | 4.80 |  |  |  | 2,022,500 |  |  |  | 4.82 |  |  | $ | 3.28 |  |  |  | 2,017,500 |  |  | $ | 3.28 |
$ | 5.04 |  |  | $ | 8.98 |  |  |  | 5,307,054 |  |  |  | 6.72 |  |  | $ | 6.89 |  |  |  | 3,345,720 |  |  | $ | 6.08 |
$ | 9.20 |  |  | $ | 13.01 |  |  |  | 2,118,000 |  |  |  | 8.87 |  |  | $ | 10.68 |  |  |  | 312,083 |  |  | $ | 11.94 |
$ | 13.22 |  |  | $ | 24.58 |  |  |  | 1,559,500 |  |  |  | 7.99 |  |  | $ | 18.48 |  |  |  | 427,500 |  |  | $ | 18.90 |
|  |  |  |  |  |  |  |  | 14,841,613 |  |  |  | 6.35 |  |  | $ | 6.97 |  |  |  | 9,937,362 |  |  | $ | 4.78 |
Schedule of general and administrative expenses and research and development expenses |
Schedule of general and administrative expenses and research and development expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Three months ended March 31, |  | Six months end March 31,
|  | 2023 |  | 2022 |  | 2023 |  | 2022
General and administrative |  | $ | 1,256,845 |  |  | $ | 1,577,831 |  |  | $ | 2,999,370 |  |  | $ | 3,249,557 |
Research and development |  |  | 2,713,219 |  |  |  | 2,861,625 |  |  |  | 6,317,202 |  |  |  | 5,098,673 |
Total stock-based compensation |  | $ | 3,970,064 |  |  | $ | 4,439,456 |  |  | $ | 9,316,572 |  |  | $ | 8,348,230 |
Schedule of weighted average assumptions for fair value of each option award |
Schedule of weighted average assumptions for fair value of each option award |  |  |  |  |  |  |  |
|  | 2023 |  | 2022
Risk-free interest rate |  |  | 3.69 | % |  |  | 1.40 | %
Expected life of options (years) |  |  | 5.61 |  |  |  | 4.90 |
Annualized volatility |  |  | 85.28 | % |  |  | 95.88 | %
Dividend rate |  |  | 0.00 | % |  |  | 0.00 | %

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