Stock-Based Compensation - Stock options (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Options
Outstanding at beginning of period (in shares)	3,021,799	1,761,062	1,761,062
Granted (in shares)	1,436,995	1,016,337
Exercised (in shares)	(44,105)
Cancelled (in shares)	(232,987)
Outstanding at end of period (in shares)	4,181,702	2,777,399	3,021,799	1,761,062
Vested at end of period (in shares)	1,097,333	337,190
Vested and expected to vest at end of period (in shares)	4,181,702	2,777,399
Weighted average exercise price
Outstanding at beginning of period (in dollars per share)	$ 3.71	$ 0.95	$ 0.95
Granted (in dollars per share)	3.32	7.84
Exercised (in dollars per share)	0.43
Cancelled (in dollars per share)	4.24
Outstanding at end of period (in dollars per share)	3.58	3.47	$ 3.71	$ 0.95
Vested at end of period (in dollars per share)	2.53	0.49
Vested and expected to vest at end of period (in dollars per share)	$ 3.58	$ 3.47
Weighted-average remaining contractual term and Aggregate intrinsic value
Outstanding at end of period (in years)	9 years 25 days	9 years 4 months 9 days	8 years 11 months 8 days	9 years 6 months 14 days
Vested at end of period (in years)	8 years 7 months 24 days	8 years 5 months 26 days
Vested and expected to vest at end of period (in years)	9 years 25 days	9 years 4 months 9 days
Outstanding at beginning of period (in dollars)	$ 10,903	$ 723	$ 723
Granted (in dollars)		8,292
Outstanding at end of period (in dollars)	697	34,797	$ 10,903	$ 723
Vested at end of period (in dollars)	435	5,217
Vested and expected to vest at end of period (in dollars)	$ 697	$ 34,797
Weighted average grant-date fair value of stock options granted	$ 2.22	$ 5.17