Condensed Consolidated Statement of Changes in Redeemable Convertible Preferred Stock and Stockholders Deficit (Unaudited) - USD ($) $ in Thousands	Total	Initial public offering	Redeemable Convertible Preferred Stock [Member]	Redeemable Convertible Preferred Stock [Member] Initial public offering	Common Stock	Common Stock Initial public offering	Additional Paid-In Capital	Additional Paid-In Capital Initial public offering	Accumulated Deficit
Beginning Balance at Dec. 31, 2020			$ 127,039
Beginning Balance, Shares at Dec. 31, 2020			202,009,981
Beginning Balance at Dec. 31, 2020	$ (133,500)						$ 4,762		$ (138,262)
Beginning Balance, Shares at Dec. 31, 2020					755,478
Accretion to redemption value on redeemable convertible preferred stock	(129)		$ 129				(129)
Stock-based compensation expense	493						493
Issuance of common stock upon the exercise of stock options	18						18
Issuance of common stock upon the exercise of stock options, Shares					8,095
Net loss and comprehensive loss	(11,291)								(11,291)
Ending Balance at Mar. 31, 2021			$ 127,168
Ending Balance, Shares at Mar. 31, 2021			202,009,981
Ending Balance at Mar. 31, 2021	(144,409)						5,144		(149,553)
Ending Balance, Shares at Mar. 31, 2021					763,573
Beginning Balance at Dec. 31, 2020			$ 127,039
Beginning Balance, Shares at Dec. 31, 2020			202,009,981
Beginning Balance at Dec. 31, 2020	(133,500)						4,762		(138,262)
Beginning Balance, Shares at Dec. 31, 2020					755,478
Conversion of convertible notes into common stock at initial public offering (in shares)	8,393
Net loss and comprehensive loss	(26,773)
Ending Balance at Jun. 30, 2021	51,298				$ 19		216,314		(165,035)
Ending Balance, Shares at Jun. 30, 2021					19,470,914
Beginning Balance at Mar. 31, 2021			$ 127,168
Beginning Balance, Shares at Mar. 31, 2021			202,009,981
Beginning Balance at Mar. 31, 2021	(144,409)						5,144		(149,553)
Beginning Balance, Shares at Mar. 31, 2021					763,573
Proceeds from initial public offering, net of underwriters' discounts and commissions		$ 71,997				$ 5		$ 71,992
Proceeds from initial public offering, net of underwriters' discounts and commissions, Shares						5,333,334
Issuance of common stock upon exercise of warrants for cash	377						377
Issuance of common stock upon exercise of warrants for cash (in shares)					23,887
Issuance of common stock upon net exercise of warrants upon initial public offering	734						734
Issuance of common stock upon net exercise of warrants upon initial public offering (in shares)					37,628
Issuance of common stock upon exchange of Avenue warrant	1,763						1,763
Issuance of common stock upon exchange of Avenue warrant (in shares)					107,663
Conversion of redeemable convertible preferred stock to common stock upon initial public offering	127,168		$ (127,168)		$ 13		127,155
Conversion of redeemable convertible preferred stock to common stock upon initial public offering, Shares				(202,009,981)	12,605,800
Conversion Of Convertible Notes Amount Converted At Initial Public Offering	8,393				$ 1		8,392
Conversion of convertible notes into common stock at initial public offering (in shares)					$ 559,585
Stock-based compensation expense	556						556
Issuance of common stock upon the exercise of stock options	201						201
Issuance of common stock upon the exercise of stock options, Shares					39,444
Net loss and comprehensive loss	(15,482)								(15,482)
Ending Balance at Jun. 30, 2021	51,298				$ 19		216,314		(165,035)
Ending Balance, Shares at Jun. 30, 2021					19,470,914
Beginning Balance at Dec. 31, 2021	52,508				$ 23		267,283		(214,798)
Beginning Balance, Shares at Dec. 31, 2021					23,123,062
Stock-based compensation expense	1,795						1,795
Issuance of common stock upon the exercise of stock options	149						149
Issuance of common stock upon the exercise of stock options, Shares					50,235
Net loss and comprehensive loss	(26,970)								(26,970)
Ending Balance at Mar. 31, 2022	27,482				$ 23		269,227		(241,768)
Ending Balance, Shares at Mar. 31, 2022					23,173,297
Beginning Balance at Dec. 31, 2021	52,508				$ 23		267,283		(214,798)
Beginning Balance, Shares at Dec. 31, 2021					23,123,062
Conversion of convertible notes into common stock at initial public offering (in shares)
Issuance of common stock upon the exercise of stock options, Shares	73,251
Net loss and comprehensive loss	$ (52,174)
Ending Balance at Jun. 30, 2022	3,910				$ 23		270,859		(266,972)
Ending Balance, Shares at Jun. 30, 2022					23,196,313
Beginning Balance at Mar. 31, 2022	27,482				$ 23		269,227		(241,768)
Beginning Balance, Shares at Mar. 31, 2022					23,173,297
Stock-based compensation expense	1,579						1,579
Issuance of common stock upon the exercise of stock options	53						53
Issuance of common stock upon the exercise of stock options, Shares					23,016
Net loss and comprehensive loss	(25,204)								(25,204)
Ending Balance at Jun. 30, 2022	$ 3,910				$ 23		$ 270,859		$ (266,972)
Ending Balance, Shares at Jun. 30, 2022					23,196,313