CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ DEFICIT - USD ($) $ in Thousands	Total	Related Party	Nonrelated Party	Common Shares Related Party	Preferred Shares	Preferred Shares	Preferred Shares Preferred Shares	Common Shares	Common Shares Related Party	Common Shares Nonrelated Party	Common Shares Common Shares Related Party	Common Shares Preferred Shares	Contributed Capital	Contributed Capital Related Party	Contributed Capital Nonrelated Party	Contributed Capital Common Shares Related Party	Accumulated Deficit	Treasury Stock	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2022						3,955,000
Beginning balance at Dec. 31, 2022	$ (22,264)					$ 4		$ 10					$ 630,428				$ (607,239)	$ (45,067)	$ (400)
Beginning balance (in shares) at Dec. 31, 2022								9,748,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(61,618)																(61,618)
Issuance of stock (in shares)											488,000
Issuance of stock				$ 3,997							$ 1					$ 3,996
Capital contribution from modification of securities purchase agreement with related party	1,805												1,805
Conversion of preferred stock into common stock with related party (in shares)							(3,955,000)					396,000
Conversion of preferred stock into common stock with related party					$ (4)		$ (4)
Restricted stock awards issued (in shares)								373,000
Restricted stock awards issued	0												0
Unrealized gain on investments	29																		29
Foreign currency translation adjustment	(241)																		(241)
Issuance of shares to retire secured promissory note with related party (in shares)								3,432,000
Issuance of shares to retire secured promissory note with related party	25,366							$ 3					25,363
Reclassification of derivative liability to contributed capital	26,908												26,908
Issuance of shares to retire convertible notes and derivative (in shares)								133,000
Issuance of shares to retire convertible notes and derivative	819												819
Equity-based compensation	5,274												5,274
Reclassification of common stock par value due to reverse stock split	$ 41												41
Ending balance (in shares) at Dec. 31, 2023	0					0
Ending balance at Dec. 31, 2023	$ (19,888)					$ 0		$ 14					694,634				(668,857)	(45,067)	(612)
Ending balance (in shares) at Dec. 31, 2023	14,569,500							14,570,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	$ (50,045)																(50,045)
Issuance of stock (in shares)									2,750,000	7,136,000
Issuance of stock		$ 2,967	$ 4,898						$ 3	$ 7				$ 2,964	$ 4,891
Restricted stock awards issued and exercise of options (in shares)								720,000
Restricted stock awards issued and exercise of options	1							$ 1
Issuance of prefunded warrants	1,077												1,077
Unrealized gain on investments	0
Foreign currency translation adjustment	606																		606
Issuance of shares to retire convertible notes and derivative (in shares)								11,000
Issuance of shares to retire convertible notes and derivative	43												43
Equity-based compensation	4,298												4,298
Entity dissolution	$ 3																3
Ending balance (in shares) at Dec. 31, 2024	0					0
Ending balance at Dec. 31, 2024	$ (56,040)					$ 0		$ 25					$ 707,907				$ (718,899)	$ (45,067)	$ (6)
Ending balance (in shares) at Dec. 31, 2024	25,186,582							25,187,000