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Stockholders' Equity - Reserved for Future Issuance (Details) - shares	Dec. 31, 2022	Dec. 31, 2021	Apr. 16, 2019
Common stock reserved for future issuance
Stock options outstanding (in shares)	882,892	933,051
Total (in shares)	5,040,383
2019 Equity Incentive Plan
Common stock reserved for future issuance
Stock options outstanding (in shares)	882,892
Shares authorized for future issuance (in shares)	2,594,587		2,400,000
2019 Employee Stock Purchase Plan
Common stock reserved for future issuance
Shares authorized for future issuance (in shares)	907,850
Restricted Stock Units
Common stock reserved for future issuance
Stock units outstanding (in shares)	271,951	235,696
Restricted Stock Units | 2019 Equity Incentive Plan
Common stock reserved for future issuance
Stock units outstanding (in shares)	271,951
Performance Stock Units
Common stock reserved for future issuance
Stock units outstanding (in shares)	383,103	358,401
Performance Stock Units | 2019 Equity Incentive Plan
Common stock reserved for future issuance
Stock units outstanding (in shares)	383,103

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Aggregate number of common shares reserved for future issuance.

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Number of shares authorized for issuance under share-based payment arrangement.

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Number of options outstanding, including both vested and non-vested options.

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