Equity and Stock-Based Compensation - Summary of RSU activity (Details) - RSU $ / shares in Units, $ in Thousands	12 Months Ended
	Sep. 30, 2024 USD ($) $ / shares shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Nonvested at beginning of period | shares	75,977
Number of shares, Granted | shares	24,897
Number of shares, Vested, including shares withheld to cover taxes | shares	(75,977)	[1]
Nonvested at end of period | shares	24,897	[2]
Weighted Average Grant Date Fair Value, Nonvested at beginning of year | $ / shares	$ 9.15
Weighted Average Grant Date Fair Value, Granted | $ / shares | $ / shares	4.82
Weighted Average Grant Date Fair Value, Vested, including shares withheld to cover taxes | $ / shares	9.15	[1]
Weighted Average Grant Date Fair Value, Nonvested at end of period | $ / shares	$ 4.82	[2]
Fair Value, Granted | $	$ 120,004
Fair Value, Vested, including shares withheld to cover taxes | $	695,022	[1]
Fair Value at end of period | $	$ 144,403	[2]

[1] The aggregate fair value of vested RSU's represent the total pre-tax fair value, based on the closing stock price on the day of vesting, which would have been received by holders of RSU's had all such holders sold their underlying shares on that date.

[2] The aggregate fair value of the nonvested RSU's and represents the total pre-tax fair value, based on our closing stock price of $5.80 as of September 30, 2024, the last trading day of our fiscal year, which would have been received by holders of RSU's had all such holders sold their underlying shares on that date.