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CONDENSED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ (11,150)	$ (10,443)	$ (22,373)	$ (21,436)
Other comprehensive loss:
Unrealized loss on securities available-for-sale	(355)	(234)	(36)	(840)
Total comprehensive loss	(11,505)	(10,677)	(22,409)	(22,276)
Preferred stock dividend payable on Series A Convertible Preferred Stock	(6)	(6)	(12)	(12)
Comprehensive loss attributable to common stockholders	$ (11,511)	$ (10,683)	$ (22,421)	$ (22,288)

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