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Organization of the Company and Basis of Presentation (Narrative) (Details) $ in Thousands		12 Months Ended
	Dec. 18, 2023	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Mar. 11, 2024 USD ($)
Company Overview
Net Income (Loss)		$ (22,555)	$ (21,198)
Accumulated deficit		(428,282)	(405,727)
Cash and cash equivalents		3,378	18,345
Cash		$ 3,303	$ 13,798	$ 3,400
Reverse stock split ratio	0.067

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