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Stock-Based Compensation - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Jan. 31, 2019
Stock-based Compensation |  |  |
Shares reserved for issuance (in shares) | 1,322,350 |  | 2,000,000
Stock-based compensation expense | $ 277 | $ 611 |
Remaining stock-based compensation expense for unvested stock options | 619 |  |
Remaining stock-based compensation expense for unvested restricted stock units | $ 223 |  |
Restricted Stock Units (RSUs) |  |  |
Stock-based Compensation |  |  |
Vesting period (in years) | 3 years |  |
Cost not yet recognized, period for recognition (in years) | 8 months 12 days |  |
Share-based Payment Arrangement, Option |  |  |
Stock-based Compensation |  |  |
Vesting period (in years) | 3 years |  |
Cost not yet recognized, period for recognition (in years) | 1 year 2 months 12 days |  |
Maximum |  |  |
Stock-based Compensation |  |  |
Award term (in years) | 10 years |  |
Incentive Stock Optionee, Stock Ownership Greater than Ten Percent of Voting Power |  |  |
Stock-based Compensation |  |  |
Minimum exercise price to fair market value of common stock at the date of grant (as a percent) | 110.00% |  |
Incentive Stock Optionee, Stock Ownership Greater than Ten Percent of Voting Power | Maximum |  |  |
Stock-based Compensation |  |  |
Award term (in years) | 5 years |  |

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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