CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Operating expenses:
Research and development	$ 10,030	$ 9,020	$ 28,737	$ 21,867
General and administrative	6,319	5,680	18,734	15,462
Total operating expenses	16,349	14,700	47,471	37,329
Loss from operations	(16,349)	(14,700)	(47,471)	(37,329)
Other income:
Interest income	374	33	532	141
Total other income, net	374	33	532	141
Net loss before provision for income taxes	(15,975)	(14,667)	(46,939)	(37,188)
Provision for income taxes	(30)	(1,732)	(128)	(1,732)
Net loss	(16,005)	(16,399)	(47,067)	(38,920)
Cumulative dividends on convertible preferred stock				(2,309)
Net loss attributable to common stockholders	$ (16,005)	$ (16,399)	$ (47,067)	$ (41,229)
Net loss per share attributable to common stockholders, basic	$ (0.64)	$ (0.66)	$ (1.89)	$ (2.00)
Net loss per share attributable to common stockholders, diluted	$ (0.64)	$ (0.66)	$ (1.89)	$ (2.00)
Weighted average shares of common stock outstanding, basic	24,961,873	24,874,738	24,958,597	20,661,879
Weighted average shares of common stock outstanding, diluted	24,961,873	24,874,738	24,958,597	20,661,879
Other comprehensive (loss) income:
Net loss	$ (16,005)	$ (16,399)	$ (47,067)	$ (38,920)
Other comprehensive income (loss):
Unrealized gain (loss) on available-for-sale securities, net of tax of $0	85	3	(371)	9
Total other comprehensive income (loss)	85	3	(371)	9
Comprehensive loss	$ (15,920)	$ (16,396)	$ (47,438)	$ (38,911)