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Long-Term Debt and Convertible Notes - Additional Information (Details) - USD ($)						1 Months Ended	3 Months Ended		9 Months Ended
	Aug. 12, 2025	Aug. 08, 2025	Feb. 13, 2025	Aug. 15, 2023	Aug. 09, 2023	May 31, 2021	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Debt Instrument [Line Items]
Amortization of debt issuance costs									$ 108,000	$ 157,000
Long-term debt, description					The Initial Working Capital Facility Agreement had a term of four years, with a springing maturity date that was 91 days prior to the stated maturity of our 2026 Convertible Notes (as defined below), if still outstanding at such time.
Loan agreement, term					4 years
Loan agreement spring maturity date					91 days
Debt instrument, interest rate				9.95%
Accrued paid-in-kind fixed interest rate				1.50%
Loss on extinguishment of debt							$ 11,339,000		11,339,000
Amortization of debt discount									505,000	504,000
Other Non-current Liabilities
Debt Instrument [Line Items]
Term fee accreted							4,700,000		$ 4,700,000
Common Stock | Exchange Agreement
Debt Instrument [Line Items]
Debt conversion, converted instrument, shares issued		16,666,666
Tranche 1A | Warrant
Debt Instrument [Line Items]
Percentage of principal amount of loan funded to lender					2.00%
Hercules Capital Inc
Debt Instrument [Line Items]
Convertible debt issuable in connection with private placement	$ 300,000	$ 150,000,000		$ 50,000,000
Loss on extinguishment of debt							$ 5,500,000
Debt issuance costs incurred		$ 3,500,000
Effective interest rate							11.60%		11.60%
Interest expense							$ 2,200,000	$ 900,000	$ 4,000,000	2,700,000
Interest expense, debt, excluding amortization							1,700,000	600,000	3,000,000	1,900,000
Paid-in-kind interest amount							200,000	100,000	400,000	300,000
Paid-in-kind interest amount									100,000
Amortization of debt discount							200,000	200,000	600,000	500,000
Common stock exercise price, per share					$ 1.68
Debt instrument, maturity date, description			On February 13, 2025, we entered into an amendment to the Initial Working Capital Facility Agreement (the “First Amendment to the Working Capital Facility Agreement”) to extend the maturity date to the earlier of (a) September 1, 2027 and (b) to the extent that any of the 2026 Convertible Notes remain outstanding on such date, (i) May 12, 2026 or (ii) in the event that the maturity date of any 2026 Convertible Notes is extended, prior to May 12, 2026, to August 11, 2026, or later, the date that is 91 days prior to the maturity date of such further extended 2026 Convertible Notes.
Debt instrument, maturity date			Sep. 01, 2027
Debt instrument maturity date			May 12, 2026
Debt instrument, maturity date		Sep. 01, 2030
Carrying value of debt							107,500,000		107,500,000
Payment for facility charge	1,100,000
Debt instrument, term fee		$ 3,900,000			$ 200,000
Debt instrument, face amount							110,800,000		110,800,000
Debt issuance costs							3,400,000		3,400,000
Adjustment of interest rate to prime, percentage		7.50%
Cash interest percentage		1.95%
Paid-in-kind interest percentage		1.00%
Upfront facility charge payment percentage		1.00%
Hercules Capital Inc | Maximum
Debt Instrument [Line Items]
End of term charge percentage		6.25%
Hercules Capital Inc | Maximum | Common Stock
Debt Instrument [Line Items]
Number of shares warrant issued to lender					297,619
Hercules Capital Inc | Tranche 1A
Debt Instrument [Line Items]
Convertible debt issuable in connection with private placement				25,000,000
Hercules Capital Inc | Tranche 1B
Debt Instrument [Line Items]
Convertible debt issuable in connection with private placement				5,000,000
Hercules Capital Inc | Tranche 1C
Debt Instrument [Line Items]
Convertible debt issuable in connection with private placement				$ 20,000,000
Hercules Capital Inc | Tranche 1
Debt Instrument [Line Items]
Convertible debt issuable in connection with private placement	110,000,000	$ 110,000,000
Debt instrument capitalized paid-in-kind interest	$ 800,000
Accrued and unpaid interest		700,000
Hercules Capital Inc | Tranche 2
Debt Instrument [Line Items]
Convertible debt issuable in connection with private placement		20,000,000
Hercules Capital Inc | Tranche 3
Debt Instrument [Line Items]
Convertible debt issuable in connection with private placement		20,000,000
2026 Senior Convertible Notes
Debt Instrument [Line Items]
Amortization of debt issuance costs							0	100,000	100,000	200,000
Debt instrument, interest rate						1.50%
Convertible debt issuable in connection with private placement		150,000,000				$ 150,000,000	0		0
Loss on extinguishment of debt							$ 5,800,000
Debt issuance costs incurred									$ 1,000,000
Effective interest rate							1.60%		1.60%
Interest expense							$ 400,000	600,000	$ 1,600,000	1,800,000
Interest expense, debt, excluding amortization							$ 400,000	$ 500,000	1,500,000	$ 1,600,000
Debt instrument fair value exchange for cash consideration		125,000,000
Net proceeds from convertible notes financing						$ 149,000,000
Debt instrument, maturity date						May 26, 2026
Debt instrument, frequency of periodic payment						semi-annually
Debt Instrument remaining outstanding		125,000,000
Debt Conversion, Converted Instrument, Amount		25,000,000
2026 Senior Convertible Notes | Common Stock
Debt Instrument [Line Items]
Debt instrument fair value exchange for stock		$ 30,700,000
2031 Senior Convertible Notes | Rubric Capital Management LP
Debt Instrument [Line Items]
Debt instrument, interest rate		5.00%
Convertible debt issuable in connection with private placement		$ 35,000,000
Debt issuance costs incurred									$ 1,400,000
Effective interest rate							7.16%		7.16%
Interest expense							$ 300,000		$ 300,000
Paid-in-kind interest amount							300,000		300,000
Amortization of debt discount							0		0
Issuance discount							1,750,000		1,750,000
Net proceeds from convertible notes financing		$ 31,900,000
Debt instrument, maturity date		Mar. 01, 2031
Debt instrument, frequency of periodic payment		semi-annually
Debt instrument, redemption period, stock price exceeds in percentage of conversion price		200.00%
Initial conversion price/rate		$ 555.5556
Debt instrument conversion ratio multiple of principal		$ 1,000
Common shares registered for resale in connection with convertible notes		19,444,444
Carrying value of debt							32,200,000		32,200,000
Debt instrument, face amount							35,000,000		35,000,000
Debt issuance costs							$ 3,100,000		$ 3,100,000
Paid-in-kind interest percentage		7.00%
2031 Senior Convertible Notes | Rubric Capital Management LP | Common Stock
Debt Instrument [Line Items]
Initial conversion price/rate		$ 1.8
2031 Senior Convertible Notes | Rubric Capital Management LP | Minimum
Debt Instrument [Line Items]
Stock conversion percentage		19.99%

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