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Share-Based Compensation - Narrative (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Options outstanding (in shares) |  |  | 1,572,451,000
Aggregate intrinsic value of options exercised | $ 800 | $ 1,000 |
Options, granted (in shares) | 0 | 0 |
Stock-based compensation expense | $ 2,012,000 | $ 1,391,000 |
Unamortized stock-based compensation | $ 12,100,000 |  |
Unamortized stock-based compensation, weighted average remaining amortization period | 2 years 6 months 10 days |  |
Restricted Stock Units (RSUs) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vested in period, intrinsic value | $ 1,089,668 |  |
2018 Stock Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares available for issuance (in shares) | 0 |  |
Options outstanding (in shares) | 1,569,996,000 |  |
Expiration period | 10 years |  |
Vesting period | 4 years |  |
2021 Equity Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Common stock, capital shares reserved for future issuance (in shares) | 20,701,956 |  |
Share-based Payment Arrangement, Tranche One | 2018 Stock Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting percentage | 25.00% |  |
Share-based Payment Arrangement, Tranche Two | 2018 Stock Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period | 36 months |  |

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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. + 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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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + 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)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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