CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY (DEFICIT) - USD ($) $ in Thousands		Total	Common Stock		Notes Receivables from Stockholders	Additional Paid-in Capital		Accumulated Deficit	Accumulated Other Comprehensive Gain/(Loss)
Beginning balance (in shares) at Dec. 31, 2023	[1]		15,035,467
Beginning balance at Dec. 31, 2023		$ 122,600	$ 2	[1]	$ (10,111)	$ 1,838,499	[1]	$ (1,704,076)	$ (1,714)
Increase (Decrease) in Stockholders' Equity
Adjustment of transaction costs related to Business Combination		(2,372)				(2,372)	[1]
Issuance of common stock for options exercised (in shares)	[1]		6,814
Issuance of common stock for options exercised		1,560				1,560	[1]
Cancellation of common stock (in shares)	[1]		(30,673)
Stock-based compensation		28,534				28,534	[1]
Tax withholding upon vesting of restricted stock units (in shares)	[1]		(67,235)
Tax withholding upon vesting of restricted stock units		(1,972)				(1,972)	[1]
Shares issued for vested restricted stock units (in shares)	[1]		224,422
Vesting of common stock issued via notes receivable from stockholders		(8)			(893)	885	[1]
Settlement of notes receivable from stockholders					1,846	(1,846)	[1]
Net loss		(206,290)						(206,290)
Other comprehensive gain (loss)— foreign currency translation adjustment, net of tax		$ (222)							(222)
Ending balance (in shares) at Dec. 31, 2024		15,168,795	15,168,795	[1]
Ending balance at Dec. 31, 2024		$ (58,170)	$ 2	[1]	(9,158)	1,863,288	[1]	(1,910,366)	(1,936)
Increase (Decrease) in Stockholders' Equity
Gain on troubled debt restructuring		210,044				210,044
Tax effect on gain on troubled debt restructuring		$ (741)				(741)
Issuance of common stock for options exercised (in shares)		1,515	1,516
Issuance of common stock for options exercised		$ 19				19
Issuance of common stock under ATM program (in shares)			547,260
Issuance of common stock under ATM program		29,221				29,221
Termination of notes receivable from stockholders (in shares)			(20,855)
Termination of notes receivable from stockholders		0			9,158	(9,158)
Stock-based compensation		21,851				21,851
Tax withholding upon vesting of restricted stock units (in shares)			(161,422)
Tax withholding upon vesting of restricted stock units		(4,818)				(4,818)
Shares issued for vested restricted stock units (in shares)			456,417
Issuance of common stock – other (in shares)			5,196
Issuance of common stock – other		56				56
Net loss		(165,872)						(165,872)
Other comprehensive gain (loss)— foreign currency translation adjustment, net of tax		$ 5,593							5,593
Ending balance (in shares) at Dec. 31, 2025		15,996,907	15,996,907
Ending balance at Dec. 31, 2025		$ 37,183	$ 2		$ 0	$ 2,109,762		$ (2,076,238)	$ 3,657

[1] Periods have been adjusted to reflect the 1-for-50 reverse stock split on August 16, 2024. See Note 1 Organization and Nature of the Business - Reverse Stock Split, for additional information.