Nature of Operations and Summary of Significant Accounting Policies (Details) - USD ($)		3 Months Ended		9 Months Ended		21 Months Ended
	Aug. 05, 2022	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Jun. 13, 2022	Apr. 28, 2022	Dec. 31, 2021	Jan. 01, 2021	Dec. 31, 2020
Product Warranty Liability [Line Items]
Assets		$ 138,481,000		$ 138,481,000		$ 138,481,000			$ 169,175,000
Cash, cash equivalents and restricted cash		51,047,000		51,047,000	$ 144,719,000	51,047,000			105,692,000		$ 121,853,000
Liabilities		226,820,000		226,820,000		226,820,000			136,728,000
Convertible notes payable		78,743,000		78,743,000		78,743,000
Other long-term debt		84,775,000		84,775,000		84,775,000
Accumulated deficit		(589,727,000)		(589,727,000)		(589,727,000)			(416,527,000)
Net cash used in operating activities				(159,129,000)	(80,605,000)
Proceeds received from the Term Loan, net of discount				92,783,000	0
Proceeds from equipment financing facility				4,216,000	7,000,000
Operating lease right-of-use asset, net		4,546,000		4,546,000		4,546,000			$ 3,468,000	$ 3,662,000
Present value of minimum lease payments		5,493,000		5,493,000		5,493,000				$ 4,465,000
ATM
Product Warranty Liability [Line Items]
Authorized value of stock to be sold	$ 100,000,000	$ 100,000,000		100,000,000		$ 100,000,000
Commission on gross sale proceeds	3.00%	3.00%
Sale of stock, number of shares issued in transaction (in shares)		12,067,575
Issuance of common stock		$ 30,040,000		$ 29,139,000	0
Cash received on issuance of shares		$ 29,139,000
Sale of stock, price per share (in dollars per share)		$ 2.49		$ 2.49		$ 2.49
Private Placement
Product Warranty Liability [Line Items]
Authorized value of stock to be sold			$ 200,000,000				$ 200,000,000	$ 200,000,000
Sale of stock, number of shares issued in transaction (in shares)		3,967,939		3,967,939
Issuance of common stock				$ 5,000,000	0
Cash received on issuance of shares		$ 5,000,000		$ 5,000,000
Sale of stock, price per share (in dollars per share)		$ 1.26		$ 1.26		$ 1.26
Agreement term			2 years
Share price as percentage of market price			97.00%					97.00%
Proceeds from sale of treasury stock		$ 12,500,000
Term Loan Agreement | Secured Debt
Product Warranty Liability [Line Items]
Proceeds received from the Term Loan, net of discount		94,681,000
Equipment financing facility | Line of Credit
Product Warranty Liability [Line Items]
Proceeds from equipment financing facility		$ 4,216,000		$ 4,216,000	$ 7,000,000	$ 11,216,000