Condensed Consolidated Statements of Changes in Stockholders' Deficit - USD ($) $ in Thousands	Total	iHM Prepaid Ad	Common Stock	Stockholder Notes	Additional Paid-in Capital	Additional Paid-in Capital iHM Prepaid Ad	Accumulated Deficit	Accumulated Other Comprehensive Income	Accumulated Other Comprehensive Income iHM Prepaid Ad
Balance at Dec. 31, 2022	$ 69,500		$ 9	$ (8,284)	$ 845,888		$ (762,009)	$ (6,104)
Balance (in Shares) at Dec. 31, 2022			92,085,974
RSU vested (in shares)			41,279
Stock-based compensation	6,406				6,406
Issuance of common stock		$ 370				$ 370
Issuance of warrants in connection with Mudrick Convertible Promissory notes	280				280
Foreign currency translation loss	235							235
Net loss	(53,068)						(53,068)
Balance (in Shares) at Jun. 30, 2023			92,127,253
Balance at Jun. 30, 2023	23,723		$ 9	(8,284)	852,944		(815,077)	(5,869)
Balance at Mar. 31, 2023	51,457		$ 9	(8,284)	849,823		(784,808)	(5,283)
Balance (in Shares) at Mar. 31, 2023			92,085,974
RSU vested (in shares)			41,279
Stock-based compensation	2,841				2,841
Issuance of warrants in connection with Mudrick Convertible Promissory notes	280				280
Foreign currency translation loss	(586)							(586)
Net loss	(30,269)						(30,269)
Balance (in Shares) at Jun. 30, 2023			92,127,253
Balance at Jun. 30, 2023	23,723		$ 9	(8,284)	852,944		(815,077)	(5,869)
Balance at Dec. 31, 2023	3,119		$ 9	(8,284)	859,163		(875,955)	28,186
Balance (in Shares) at Dec. 31, 2023			92,827,281
RSU vested	1		$ 1
RSU vested (in shares)			3,833,218
Stock-based compensation	7,411				7,411
Foreign currency translation loss	(2,618)							(2,618)
Change in fair value of the convertible instrument liability	1,161							1,161
Net loss	(42,990)						(42,990)
Balance (in Shares) at Jun. 30, 2024			96,660,499
Balance at Jun. 30, 2024	(33,916)		$ 10	(8,284)	866,574		(918,945)	26,729
Balance at Mar. 31, 2024	(27,211)		$ 9	(8,284)	862,462		(906,920)	25,522
Balance (in Shares) at Mar. 31, 2024			93,105,059
RSU vested	1		$ 1
RSU vested (in shares)			3,555,440
Stock-based compensation	4,112				4,112
Issuance of common stock		$ (307)							$ (307)
Issuance of warrants in connection with Mudrick Convertible Promissory notes	1,514							1,514
Foreign currency translation loss	(307)
Net loss	(12,025)						(12,025)
Balance (in Shares) at Jun. 30, 2024			96,660,499
Balance at Jun. 30, 2024	$ (33,916)		$ 10	$ (8,284)	$ 866,574		$ (918,945)	$ 26,729