Summary of Significant Accounting Policies - Schedule of Computation of Basic and Diluted Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022
Numerator:
Net loss	$ (5,860)	$ (3,922)	$ (6,034)	$ (7,896)	$ (11,284)	$ (14,864)	$ (15,816)	$ (34,044)
Denominator:
Weighted-average shares of common stock issued	3,116,729			4,025,489			3,309,835	4,025,489
Weighted-average shares of common stock oustanding	3,116,729			4,025,489			3,309,835	4,025,489
Weighted-average pre-funded warrants outstanding	3,090,909			0			2,989,011	0
Weighted-average shares used to calculate net loss per common share, basic	6,207,638			4,025,489			6,298,846	4,025,489
Weighted-average shares used to calculate net loss per common share, diluted	6,207,638			4,025,489			6,298,846	4,025,489
Net loss per common stock, basic	$ (0.94)			$ (1.96)			$ (2.51)	$ (8.46)
Net loss per common stock, diluted	$ (0.94)			$ (1.96)			$ (2.51)	$ (8.46)