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Stockholders' Equity - The 2017 Plan, Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 800	$ 200
Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	25.00%
2017 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense		200	$ 600
Compensation not yet recognized		$ 700
Options to purchase common stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 100
Options to purchase common stock \| 2017 Plan \| Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	2.0833%
Options to purchase common stock \| 2017 Plan \| Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	2.0833%
Options to purchase common stock \| 2017 Plan \| Tranche Four
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	2.0833%
Unvested restricted stock \| Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	33.33%