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Income Taxes (Details 1) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021
Income Tax Disclosure [Abstract]
Net operating loss carryforwards	$ 46,462	$ 46,208	$ 34,982
Research and development tax credit carryforwards	2,713	2,182	1,577
Stock-based compensation	18,593	13,373	10,453
Research and development capitalization	7,219
Unpaid charges	1,559	894	89
Intangible asset costs	593	388	323
Foreign exchange and other	49	44	62
Valuation allowance of deferred tax assets	(77,188)	(63,089)	(47,486)
Net deferred tax assets

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