The Company (Details) - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2023	Sep. 30, 2022
Class of Warrant or Right [Line Items]
Accumulated deficit	$ 986,791	$ 828,416
Subsequent Public Offering
Class of Warrant or Right [Line Items]
Proceeds of underwritten public offering common stock	1,333,700
Proceeds from issuance of debt	$ 13,800