Fair value measurements (Tables)

12 Months Ended

Sep. 30, 2025

Fair Value Disclosures [Abstract]

Schedule of contractual maturities of financial liabilities

The following table summarizes the contractual maturities of the Company’s financial liabilities (including principal and interest) on an undiscounted basis:

September 30, 2025

	Year 1		Year 2		Year 3		Year 4		Year 5 and over		Total
Convertible debentures		—		10,404		—		—		—		10,404
Trade and other payables		2,147		—		—		—		—		2,147
Total	$	2,147	$	10,404	$	—	$	—	$	—	$	12,551