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Commitments and Contingencies (Tables)

6 Months Ended

Mar. 31, 2024

Commitments and Contingencies Disclosure [Abstract]

Schedule of operating lease costs

Schedule of operating lease costs
		Three months ended March 31,								Six months ended March 31,
		2024				2023				2024				2023
Operating lease costs		$	31			$	30			$	61			$	60

Schedule of contribution plan

Schedule of contribution plan
		Three months ended March 31,								Six months ended March 31,
		2024				2023				2024				2023
Contributions to 401(k) plan		$	94			$	56			$	167			$	100

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
								Weighted Average Exercise Price				Weighted Average Grant Date Fair Value				Aggregate intrinsic value
				Number of Options				($)				($)				($)
	Outstanding, September 30, 2022				13,169,616				6.61				4.96				62,267,309
	Granted				1,959,000				9.30				6.60				—
	Exercised				(759,753	)			2.34				0.95				4,629,026
	Forfeited				(257,083	)			12.00				6.74				—
	Outstanding, September 30, 2023				14,111,780				7.12				5.27				22,290,069
	Granted				1,750,500				5.53				3.99				—
	Exercised				(46,000	)			3.43				2.60				125,170
	Forfeited				(221,166	)			13.84				9.06				—
	Outstanding, March 31, 2024				15,595,114				6.85								12,480,916
	Exercisable, March 31, 2024				9,955,616				5.38								12,440,416

Schedule of summarized information about stock options

Schedule of summarized information about stock options
Range of exercises prices								Number of outstanding				Weighted average remaining contractual life (in				Weighted average				Number of vested				Weighted average
From				To				options				years)				exercise price				options				exercise price
$	0.92			$	3.00				3,243,060				4.22				2.38				3,243,060			$	2.38
$	3.01			$	5.00				2,167,500				4.24				3.39				2,017,500			$	3.28
$	5.01			$	9.00				6,790,554				6.62				6.58				3,436,472			$	6.19
$	9.01			$	13.00				1,894,000				7.85				10.53				705,667			$	11.06
$	13.01			$	25.00				1,500,000				6.97				18.12				552,917			$	18.28
									15,595,114				5.97				6.85				9,955,616				5.38

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 ended March 31,
		2024				2023				2024				2023
General and administrative		$	979			$	1,257			$	1,905			$	3,000
Research and development			1,673				2,713				3,033				6,317
Total stock-based compensation		$	2,652			$	3,970			$	4,938			$	9,317

Schedule of weighted average assumptions

Schedule of weighted average assumptions
		2024				2023
Risk-free interest rate			4.28	%			3.69	%
Expected life of options (years)			5.74				5.61
Annualized volatility			84.84	%			85.28	%
Dividend rate			0.00	%			0.00	%

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Tabular disclosure of defined contribution pension plans or defined contribution other postretirement plans, separately for pension plans and other postretirement benefit plans.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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