CONSOLIDATED STATEMENTS OF CONVERTIBLE PREFERRED STOCK, COMMON STOCK AND STOCKHOLDERS' EQUITY (DEFICIT) - USD ($) $ in Thousands	Total	Convertible Preferred Stock Series AA	Convertible Preferred Stock Series BB	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Beginning balance at Dec. 31, 2020	$ (56,443)				$ 55,969	$ (112,412)
Temporary equity, Beginning balance, shares at Dec. 31, 2020		747,683,172	52,680,306
Temporary equity, Beginning balance at Dec. 31, 2020		$ 61,411	$ 10,925
Beginning balance, shares at Dec. 31, 2020				1,875,422
Stock-based compensation expense	5,657				5,657
Temporary equity, Conversion of preferred stock to common stock upon closing of the initial public offering		$ (61,411)	$ (34,416)
Temporary equity, Conversion of preferred stock to common stock upon closing of the initial public offering, shares		(747,683,172)	(165,956,208)
Conversion of preferred stock to common stock upon closing of the initial public offering	95,828			$ 2	95,826
Conversion of preferred stock to common stock upon closing of the initial public offering, shares				19,034,069
Issuance of preferred stock			$ 23,491
Issuance of preferred stock, shares			113,275,902
Issuance of common stock, net of issuance costs	138,489			$ 1	138,488
Issuance of common stock, net of issuance costs, shares				8,030,295
Exercise of options into common stock	$ 28				28
Exercise of options into common stock, Shares	8,834			8,834
Employee stock purchase plan expense	$ 80				80
Employee stock purchase plan expense, Shares				11,700
Exercise of common stock warrants	1				1
Exercise of common stock warrants, Shares				1,648,709
Unrealized loss on marketable securities	(333)						$ (333)
Net loss	(36,794)					(36,794)
Ending balance at Dec. 31, 2021	146,513			$ 3	296,049	(149,206)	(333)
Ending balance, shares at Dec. 31, 2021				30,609,029
Stock-based compensation expense	5,779				5,779
Exercise of options into common stock	$ 238				238
Exercise of options into common stock, Shares	73,784			73,784
Employee stock purchase plan expense	$ 136				136
Employee stock purchase plan expense, Shares				81,347
Unrealized loss on marketable securities	(671)						(671)
Net loss	(48,588)					(48,588)
Ending balance at Dec. 31, 2022	$ 103,407			$ 3	$ 302,202	$ (197,794)	$ (1,004)
Ending balance, shares at Dec. 31, 2022				30,764,160