Condensed Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating Expenses:
Research and development	$ 18,170	$ 18,828	$ 48,759	$ 46,416
General and administrative	3,481	2,122	9,479	8,244
Total operating expenses	21,651	20,950	58,238	54,660
Loss from operations	(21,651)	(20,950)	(58,238)	(54,660)
Other Income (Expense):
Interest income	3,490	503	9,485	762
Other expense	(30)	0	(49)	0
Total other income (expense)	3,460	503	9,436	762
Net loss	(18,191)	(20,447)	(48,802)	(53,898)
Dividends	(1,209)	(4,550)	(1,209)	(4,550)
Net loss attributable to common stockholders	(19,400)	(24,997)	(50,011)	(58,448)
Other Comprehensive Income (Loss):
Unrealized gain (loss) on investment securities	180	102	167	(696)
Comprehensive Loss	$ (19,220)	$ (24,895)	$ (49,844)	$ (59,144)
Net loss per share attributable to common stockholders, basic (in dollars per share)	$ (1.26)	$ (6.55)	$ (5.99)	$ (17.14)
Net loss per share attributable to common stockholders, diluted (in dollars per share)	$ (1.26)	$ (6.55)	$ (5.99)	$ (17.14)
Weighted-average shares of common stock outstanding, basic (in shares)	15,399,901	3,817,307	8,350,628	3,409,940
Weighted-average shares of common stock outstanding, diluted (in shares)	15,399,901	3,817,307	8,350,628	3,409,940