Condensed Statement of Changes in Convertible Preferred Stock and Stockholders' Deficit - USD ($) $ in Thousands	Total	Class A and Class B Common Stock	Additional Paid-in Capital	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2020	3,359,195
Beginning balance at Dec. 31, 2020	$ 2,784
Ending balance (in shares) at Mar. 31, 2021	3,359,195
Ending balance at Mar. 31, 2021	$ 2,784
Beginning balance (in shares) at Dec. 31, 2020		18,614,905
Beginning balance at Dec. 31, 2020	(6,840)	$ 5	$ 7,794	$ (14,639)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(3,688)			(3,688)
Issuance of common stock upon exercise of stock options (in shares)		87,226
Issuance of common stock upon exercise of stock options	148		148
Stock-based compensation	960		960
Ending balance (in shares) at Mar. 31, 2021		18,702,131
Ending balance at Mar. 31, 2021	(9,420)	$ 5	8,902	(18,327)
Beginning balance (in shares) at Dec. 31, 2021		30,384,834
Beginning balance at Dec. 31, 2021	95,486	$ 3	131,826	(36,343)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	$ (12,530)			(12,530)
Issuance of common stock upon exercise of stock options (in shares)	429,639	429,639
Issuance of common stock upon exercise of stock options	$ 887		887
Stock-based compensation	3,725		3,725
Ending balance (in shares) at Mar. 31, 2022		30,814,473
Ending balance at Mar. 31, 2022	$ 87,568	$ 3	$ 136,438	$ (48,873)