Share-Based Compensation - Summary of information about stock options 2019 plan (Details) - 2019 Plan - Exercise Price Range From Dollars 0.00 To Dollars 9.00 - Employee and Non Employee Stock Option	12 Months Ended
	Sep. 30, 2023 $ / shares shares
Information about stock options, by exercise price range
Exercise price, low end of range (in dollars per share)	$ 0.00
Exercise price, high end of range (in dollars per share)	$ 9.00
Options outstanding at the end of the period (in shares) | shares	224,374
Options Outstanding - Weighted-Average Remaining Contractual Life	9 years 4 months 24 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 8.20
Options exercisable at the end of the period (in shares) | shares	154,578
Options Exercisable - Weighted-Average Exercise Price (in dollars per share)	$ 8.19