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CONDENSED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (10,443)	$ (6,757)	$ (21,436)	$ (11,936)
Other comprehensive loss:
Unrealized gain (loss) on securities available-for-sale	(234)	57	(840)	(10)
Total comprehensive loss	(10,677)	(6,700)	(22,276)	(11,946)
Preferred stock dividend payable on Series A Convertible Preferred Stock	(6)	(6)	(12)	(12)
Comprehensive loss attributable to common stockholders	$ (10,683)	$ (6,706)	$ (22,288)	$ (11,958)

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