Condensed Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity (Deficit) (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss Amount	Series A Convertible Preferred Stock	Series A-1 Convertible Preferred Stock	Series A-2 Convertible Preferred Stock	Series B Convertible Preferred Stock	Series C-1 and C-2 Convertible Preferred Stock	Series D-1 and D-2 Convertible Preferred Stock	Series E Convertible Preferred Stock
Beginning Balance at Dec. 31, 2020	$ (108,713)		$ 8,173	$ (116,886)
Convertible preferred stock, Beginning Balance at Dec. 31, 2020						$ 3,368	$ 7,837	$ 5,373	$ 20,806	$ 41,099	$ 49,593
Convertible preferred stock, Beginning Balance, Shares at Dec. 31, 2020						1,701,141	3,298,732	4,324,998	22,531,819	91,327,903	72,348,452
Beginning Balance, Shares at Dec. 31, 2020		381,123
Issuance of convertible preferred stock											$ 6,982	$ 80,251
Issuance of convertible preferred stock, Shares											10,128,771	102,671,041
Stock-based compensation expense	185		185
Stock option exercises	265		265
Stock option exercises, Shares		54,296
Net loss	(5,927)			(5,927)
Ending Balance at Mar. 31, 2021	(114,190)		8,623	(122,813)
Convertible preferred stock, Ending Balance at Mar. 31, 2021						$ 3,368	$ 7,837	$ 5,373	$ 20,806	$ 41,099	$ 56,575	$ 80,251
Convertible preferred stock, Ending Balance, Shares at Mar. 31, 2021						1,701,141	3,298,732	4,324,998	22,531,819	91,327,903	82,477,223	102,671,041
Ending Balance, Shares at Mar. 31, 2021		435,419
Beginning Balance at Dec. 31, 2020	(108,713)		8,173	(116,886)
Convertible preferred stock, Beginning Balance at Dec. 31, 2020						$ 3,368	$ 7,837	$ 5,373	$ 20,806	$ 41,099	$ 49,593
Convertible preferred stock, Beginning Balance, Shares at Dec. 31, 2020						1,701,141	3,298,732	4,324,998	22,531,819	91,327,903	72,348,452
Beginning Balance, Shares at Dec. 31, 2020		381,123
Net loss	(14,779)
Ending Balance at Jun. 30, 2021	(122,751)		8,914	(131,665)
Convertible preferred stock, Ending Balance at Jun. 30, 2021						$ 3,368	$ 7,837	$ 5,373	$ 20,806	$ 41,099	$ 56,575
Convertible preferred stock, Ending Balance, Shares at Jun. 30, 2021						1,701,141	3,298,732	4,324,998	22,531,819	91,327,903	82,477,223	102,671,041
Ending Balance, Shares at Jun. 30, 2021		439,068										80,251
Beginning Balance at Mar. 31, 2021	(114,190)		8,623	(122,813)
Convertible preferred stock, Beginning Balance at Mar. 31, 2021						$ 3,368	$ 7,837	$ 5,373	$ 20,806	$ 41,099	$ 56,575	$ 80,251
Convertible preferred stock, Beginning Balance, Shares at Mar. 31, 2021						1,701,141	3,298,732	4,324,998	22,531,819	91,327,903	82,477,223	102,671,041
Beginning Balance, Shares at Mar. 31, 2021		435,419
Stock-based compensation expense	271		271
Stock option exercises	20		20
Stock option exercises, Shares		3,649
Net loss	(8,852)			(8,852)
Ending Balance at Jun. 30, 2021	(122,751)		8,914	(131,665)
Convertible preferred stock, Ending Balance at Jun. 30, 2021						$ 3,368	$ 7,837	$ 5,373	$ 20,806	$ 41,099	$ 56,575
Convertible preferred stock, Ending Balance, Shares at Jun. 30, 2021						1,701,141	3,298,732	4,324,998	22,531,819	91,327,903	82,477,223	102,671,041
Ending Balance, Shares at Jun. 30, 2021		439,068										80,251
Beginning Balance at Dec. 31, 2021	152,315		304,452	(152,137)
Beginning Balance, Shares at Dec. 31, 2021		29,211,643
Stock-based compensation expense	1,594		1,594
Stock option exercises	17		17
Stock option exercises, Shares		5,593
Unrealized loss on marketable securities	(5)				$ (5)
Net loss	(12,835)			(12,835)
Ending Balance at Mar. 31, 2022	$ 141,086		306,063	(164,972)	(5)
Ending Balance, Shares at Mar. 31, 2022	29,217,236
Beginning Balance at Dec. 31, 2021	$ 152,315		304,452	(152,137)
Beginning Balance, Shares at Dec. 31, 2021		29,211,643
Unrealized loss on marketable securities	(128)
Net loss	(26,303)
Ending Balance at Jun. 30, 2022	129,091		307,659	(178,440)	(128)
Ending Balance, Shares at Jun. 30, 2022		29,266,848
Beginning Balance at Mar. 31, 2022	$ 141,086		306,063	(164,972)	(5)
Beginning Balance, Shares at Mar. 31, 2022	29,217,236
Stock-based compensation expense	$ 1,287		1,287
Stock option exercises	309		309
Stock option exercises, Shares		49,612
Unrealized loss on marketable securities	(123)				(123)
Net loss	(13,468)			(13,468)
Ending Balance at Jun. 30, 2022	$ 129,091		$ 307,659	$ (178,440)	$ (128)
Ending Balance, Shares at Jun. 30, 2022		29,266,848