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Equity-based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands |  | 9 Months Ended
--- | --- | ---
Jan. 01, 2025 | Sep. 30, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Employee unrecognized compensation expense |  | $ 30
Employee unrecognized compensation cost, period of recognition |  | 1 year 21 days
Weighted average grant date fair value |  | $ 1.12
Restricted Common Stock |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Employee unrecognized compensation expense |  | $ 30
Employee unrecognized compensation cost, period of recognition |  | 4 months 24 days
Number of restricted stock awards granted |  | 30,000
ESPP |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Increase in number of shares available for issuance (in shares) | 116,961 |
Employee Stock Purchase Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares available for future grants |  | 303,956
Plan 2015 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Increase in number of shares available for issuance (in shares) | 584,805 |
2017 Plan and 2015 Plan |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares available for future grants |  | 1,384,632

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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 -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Amount of cost to be recognized for option under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Line items represent financial concepts included in a table. 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