Condensed Consolidated Statements of Changes in Stockholders' (Deficit) Equity (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balances at Dec. 31, 2023	$ 2,000	$ 882,749,000	$ (841,791,000)		$ 40,960,000
Balance, shares at Dec. 31, 2023	19,378,192
Issuance of common stock to Yorkville for debt extension and SEPA commitment fee		317,000			317,000
Issuance of common stock to Yorkville for debt extension and SEPA commitment fee, shares	116,964
Issuance and modification of warrants to C.V. Starr		3,322,000			3,322,000
Issuance of common stock and warrants in PIPE Offering, net of offering expenses		6,000,000			6,000,000
Issuance of common stock and warrants in PIPE Offering, net of offering expenses, shares	2,141,098
Vesting of restricted stock units
Vesting of restricted stock units, shares	233,361
Tax withholding on vesting of restricted stock units		(357,000)			(357,000)
Tax withholding on vesting of restricted stock units, shares	(80,672)
Issuance of common stock to Palantir as consideration for settlement agreement		50,000			50,000
Issuance of common stock to Palantir as consideration for settlement agreement, shares	20,000
Retirement of shares in connection with reverse stock split
Retirement of shares in connection with reverse stock split, shares	(191)
Stock-based compensation expense		2,966,000			2,966,000
Net loss			(22,013,000)		(22,013,000)
Balances at Mar. 31, 2024	$ 2,000	895,047,000	(863,804,000)		31,245,000
Balance, shares at Mar. 31, 2024	21,808,752
Balances at Dec. 31, 2023	$ 2,000	882,749,000	(841,791,000)		40,960,000
Balance, shares at Dec. 31, 2023	19,378,192
Net loss					(28,501,000)
Balances at Jun. 30, 2024	$ 2,000	898,101,000	(870,292,000)		27,811,000
Balance, shares at Jun. 30, 2024	21,933,861
Balances at Mar. 31, 2024	$ 2,000	895,047,000	(863,804,000)		31,245,000
Balance, shares at Mar. 31, 2024	21,808,752
Issuance and modification of warrants to C.V. Starr		(61,000)			(61,000)
Vesting of restricted stock units
Vesting of restricted stock units, shares	87,180
Tax withholding on vesting of restricted stock units
Tax withholding on vesting of restricted stock units, shares	(2,655)
Stock-based compensation expense		2,990,000			2,990,000
Net loss			(6,488,000)		(6,488,000)
Issuance of warrants to Palantir as consideration for settlement agreement		125,000			125,000
Issuance of warrants to Palantir as consideration for settlement agreement, shares	40,584
Balances at Jun. 30, 2024	$ 2,000	898,101,000	(870,292,000)		27,811,000
Balance, shares at Jun. 30, 2024	21,933,861
Balances at Dec. 31, 2024	$ 2,000	908,523,000	(899,683,000)	(5,000)	8,837,000
Balance, shares at Dec. 31, 2024	22,546,671
Issuance and modification of warrants to C.V. Starr		207,000			207,000
Vesting of restricted stock units
Vesting of restricted stock units, shares	87,419
Tax withholding on vesting of restricted stock units		(98,000)			(98,000)
Stock-based compensation expense		2,637,000			2,637,000
Net loss			(19,754,000)		(19,754,000)
Issuance of common stock to Dragasac in connection with warrant repricing		2,460,000			2,460,000
Issuance of common stock to Dragasac in connection with warrant repricing, shares	1,188,255
Issuance of common stock consideration shares to Yorkville in connection with Side Letter		149,000			149,000
Issuance of common stock consideration shares to Yorkville in connection with Side Letter, shares	100,000
Issuance of common stock in connection with settlement of debt		51,000			51,000
Issuance of common stock in connection with settlement of debt, shares	21,739
Dragasac warrant inducement		64,000	(64,000)
Change in fair value of debt				5,000	5,000
Balances at Mar. 31, 2025	$ 2,000	913,993,000	(919,501,000)		(5,506,000)
Balance, shares at Mar. 31, 2025	23,944,084
Balances at Dec. 31, 2024	$ 2,000	908,523,000	(899,683,000)	(5,000)	8,837,000
Balance, shares at Dec. 31, 2024	22,546,671
Net loss					(44,278,000)
Balances at Jun. 30, 2025	$ 2,000	918,529,000	(944,025,000)	(3,000)	(25,497,000)
Balance, shares at Jun. 30, 2025	24,610,151
Balances at Mar. 31, 2025	$ 2,000	913,993,000	(919,501,000)		(5,506,000)
Balance, shares at Mar. 31, 2025	23,944,084
Vesting of restricted stock units
Vesting of restricted stock units, shares	13,435
Tax withholding on vesting of restricted stock units		(14,000)			(14,000)
Stock-based compensation expense		2,448,000			2,448,000
Net loss			(24,524,000)		(24,524,000)
Issuance of common stock consideration shares to Yorkville in connection with Side Letter		233,000			233,000
Issuance of common stock consideration shares to Yorkville in connection with Side Letter, shares	100,000
Change in fair value of debt				(3,000)	(3,000)
Common stock issued pursuant to short—term debt conversion		922,000			922,000
Common stock issued pursuant to short- term debt conversion, shares	490,632
Issuance of common stock in exchange for consulting services		108,000			108,000
Issuance of common stock in exchange for consulting services, shares	50,000
Issuance of common stock in connection with settlement of debt		21,000			21,000
Issuance of common stock in connection with settlement of debt, shares	12,000
Issuance of equity-classified warrants		317,000			317,000
Reclassification of liability-classified warrants to equity-classified warrants		501,000			501,000
Balances at Jun. 30, 2025	$ 2,000	$ 918,529,000	$ (944,025,000)	$ (3,000)	$ (25,497,000)
Balance, shares at Jun. 30, 2025	24,610,151