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Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ (41,441)	$ (38,704)
Unrealized gain (loss) on securities available-for-sale	328	(253)
Total comprehensive loss	(41,113)	(38,957)
Preferred stock dividend payable on Series A Convertible Preferred Stock	(24)	(24)
Comprehensive loss attributable to common stockholders	$ (41,137)	$ (38,981)

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