CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Operating expenses:
Research and development	$ 29,847	$ 25,322
General and administrative	20,384	14,241
Total operating expenses	50,231	39,563
Loss from operations	(50,231)	(39,563)
Other income:
Interest income	193	55
Other income, net	12	171
Total other income, net	205	226
Net loss before provision for income taxes	(50,026)	(39,337)
Provision for income taxes	(1,797)	0
Net loss	(51,823)	(39,337)
Cumulative dividends on convertible preferred stock	(2,309)	(12,176)
Gain on extinguishment of Series A, Series B and Series C convertible preferred stock	0	103,455
Undistributed earnings allocable to participating securities	0	(44,867)
Net income (loss) attributable to common stockholders, basic	(54,132)	7,075
Cumulative Dividends On Series B and Series C Convertible Preferred Stock	0	6,821
Gain on extinguishment of Series B and Series C convertible preferred stock	0	(61,949)
Undistributed earnings allocable to Series B and Series C participating securities	0	12,758
Net income (loss) attributable to common stockholders, diluted	$ (54,132)	$ (35,295)
Net income (loss) per share attributable to common stockholders
Basic	$ (2.49)	$ 14.84
Diluted	$ (2.49)	$ (19.65)
Weighted average shares of common stock outstanding
Basic	21,733,960	476,700
Diluted	21,733,960	1,795,860
Comprehensive loss:
Net loss	$ (51,823)	$ (39,337)
Other comprehensive income (loss):
Unrealized loss on available-for-sale securities, net of tax of $0	(131)	(11)
Total other comprehensive loss	(131)	(11)
Comprehensive loss	$ (51,954)	$ (39,348)