Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	IPO	Private Placement	Convertible Preferred Stock	Class A and Class B Common Stock	Class A and Class B Common Stock IPO	Class A and Class B Common Stock Private Placement	Additional Paid in Capital	Additional Paid in Capital IPO	Additional Paid in Capital Private Placement	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2019				22,173,216	12,193,677
Beginning balance at Dec. 31, 2019	$ 87,679			$ 107,953	$ 0			$ 2,288			$ (22,586)	$ 24
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Class A common stock from exercise of options (in shares)					725,579
Issuance of Class A common stock from exercise of options	145							145
Repurchase of Class A common stock (in shares)					(382,360)
Vesting of early exercised stock options and restricted common stock	185							185
Issuance of stock (in shares)				6,853,571		10,592,106	7,105,262
Issuance of stock	54,896	$ 183,866	$ 130,275	$ 54,896					$ 183,866	$ 130,275
Conversion of convertible preferred stock into Class A common stock (in shares)				29,026,787	29,026,787
Conversion of convertible preferred stock into Class A common stock	0			$ (162,849)	$ 1			162,848
Stock-based compensation	7,348							7,348
Distribution of PrognomIQ shares	(40)							(40)
Other comprehensive income (loss)	30											30
Net loss	$ (32,775)										(32,775)
Ending balance (in shares) at Dec. 31, 2020	59,261,051			0	59,261,051
Ending balance at Dec. 31, 2020	$ 431,609			$ 0	$ 1			486,915			(55,361)	54
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Class A common stock from exercise of options (in shares)	1,040,515				1,107,059
Issuance of Class A common stock from exercise of options	$ 1,885							1,885
Repurchase of Class A common stock (in shares)					(20,556)
Vesting of early exercised stock options and restricted common stock	470							470
Issuance of stock (in shares)					1,650,000
Issuance of stock	102,959							102,959
Issuance of Class A common stock in connection with employee stock purchase plan (in shares)					17,929
Issuance of Class A common stock in connection with employee stock purchase plan	422							422
Stock-based compensation	25,927							25,927
Return of profit	11,403							11,403
Other comprehensive income (loss)	(590)											(590)
Net loss	$ (71,169)										(71,169)
Ending balance (in shares) at Dec. 31, 2021	62,015,483			0	62,015,483
Ending balance at Dec. 31, 2021	$ 502,916			$ 0	$ 1			$ 629,981			$ (126,530)	$ (536)