Stockholders' Equity - Reserved for Future Issuance (Details) - shares	Jun. 30, 2022	Dec. 31, 2021	Apr. 16, 2019
Common stock reserved for future issuance
Stock options outstanding (in shares)	919,401	933,051
Total (in shares)	5,122,459
2019 Equity Incentive Plan
Common stock reserved for future issuance
Stock options outstanding (in shares)	919,401
Shares authorized for future issuance (in shares)	2,591,699		2,400,000
2019 Employee Stock Purchase Plan
Common stock reserved for future issuance
Shares authorized for future issuance (in shares)	915,762
Restricted Stock Units
Common stock reserved for future issuance
Stock units outstanding (in shares)	312,832	235,696
Restricted Stock Units | 2019 Equity Incentive Plan
Common stock reserved for future issuance
Stock units outstanding (in shares)	312,832
Performance Stock Units
Common stock reserved for future issuance
Stock units outstanding (in shares)	382,765	358,401
Performance Stock Units | 2019 Equity Incentive Plan
Common stock reserved for future issuance
Stock units outstanding (in shares)	382,765