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Equity - Equity Incentive Plan (Details) - shares | 6 Months Ended |
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022
Equity Incentive Plan |  |
Share-based compensation |  |
Outstanding options and restricted stock units | 3,409,000 | 3,202,000
Reserved but unissued shares under the Plans | 2,439,000 | 2,777,000
Total authorized shares under the Plans | 5,848,000 | 5,979,000
Increases in the number of authorized shares | 400,000 |
2021 Plan |  |
Share-based compensation |  |
Maximum number of shares that may be issued as a proportion of outstanding stock | 10.00% |
Maximum increase in number of shares available for issuance | 400,000 |

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- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Number of shares authorized for issuance under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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