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Organization and Liquidity (Details) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Mar. 31, 2024 USD ($)	Sep. 30, 2024 USD ($)	Jun. 30, 2024 USD ($)	Sep. 30, 2024 USD ($)	Mar. 26, 2024	Dec. 31, 2023 USD ($)
Organization and Liquidity
Exchange ratio					0.00001868
Accumulated deficit		$ (557,061)		$ (557,061)		$ (549,654)
Cash and cash equivalents		1,812		1,812		$ 258
Cash proceeds from the reverse recapitalization and PIPE Financing	$ 17,200			17,238
Proceeds from Issuance of Common Stock		$ 5,000	$ 2,800	$ 7,814
B. Riley Principal Capital II, LLC
Organization and Liquidity
Stock Sale Commitment Amount	$ 50,000

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Amount of cash inflow from the reverse recapitalization and private investment from public equity financing ("PIPE Financing"), net of transaction costs.

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The cash inflow from the additional capital contribution to the entity.

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