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CONDENSED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net loss	$ (11,855)	$ (9,731)	$ (33,644)	$ (32,104)
Other comprehensive loss:
Unrealized gain (loss) on securities available-for-sale	179	24	149	(12)
Total comprehensive loss	(11,676)	(9,707)	(33,495)	(32,116)
Preferred stock dividend payable on Series A Convertible Preferred Stock	(6)	(6)	(18)	(18)
Comprehensive loss attributable to common stockholders	$ (11,682)	$ (9,713)	$ (33,513)	$ (32,134)

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