Statement of Changes in Convertible Preferred Stock and Stockholders' Equity (Deficit) - USD ($) $ in Thousands	Total	Class B common stock	Class A common stock	Cumulative Effect, Period of Adoption, Adjustment	Class A and Class B Common Stock	Class A and Class B Common Stock Class B common stock	Class A and Class B Common Stock Class A common stock	Additional Paid-in Capital	Additional Paid-in Capital Class B common stock	Additional Paid-in Capital Class A common stock	Accumulated Deficit	Accumulated Deficit Cumulative Effect, Period of Adoption, Adjustment
Beginning balance (in shares) at Dec. 31, 2019	3,359,195
Beginning balance at Dec. 31, 2019	$ 2,784
Ending balance (in shares) at Dec. 31, 2020	3,359,195
Ending balance at Dec. 31, 2020	$ 2,784
Beginning balance (in shares) at Dec. 31, 2019					18,596,772
Beginning balance at Dec. 31, 2019	(2,594)			$ 267	$ 5			$ 5,684			$ (8,283)	$ 267
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	$ (6,623)	$ (6,623)									(6,623)
Issuance of common stock upon exercise of stock options (in shares)	18,133				18,133
Issuance of common stock upon exercise of stock options	$ 19							19
Stock-based compensation	2,091							2,091
Ending balance (in shares) at Dec. 31, 2020		18,614,905	0		18,614,905
Ending balance at Dec. 31, 2020	$ (6,840)				$ 5			7,794			(14,639)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2014-09
Conversion of convertible preferred stock to Class B common stock upon initial public offering (in shares)		(3,359,195)
Conversion of convertible preferred stock to Class B common stock upon initial public offering		$ (2,784)
Ending balance (in shares) at Dec. 31, 2021	0
Ending balance at Dec. 31, 2021	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(21,704)	(20,567)	$ (1,137)								(21,704)
Conversion of convertible securities (in shares)						3,359,195	722,860
Conversion of convertible securities		$ 2,781	$ 11,566			$ (3)			$ 2,784	$ 11,566
Issuance of Class A common stock upon initial public offering, net of underwriting discounts and commissions and other offering costs (in shares)					7,187,500
Issuance of Class A common stock upon initial public offering, net of underwriting discounts and commissions and other offering costs	$ 103,143				$ 1			103,142
Issuance of common stock upon exercise of stock options (in shares)	500,374				500,374
Issuance of common stock upon exercise of stock options	$ 478							478
Stock-based compensation	6,062							6,062
Ending balance (in shares) at Dec. 31, 2021		22,156,842	8,227,992		30,384,834
Ending balance at Dec. 31, 2021	$ 95,486				$ 3			$ 131,826			$ (36,343)