Equity Incentive Plans and Stock Based Compensation - 2004 Employee Stock Purchase Plan (Detail) - 2004 Employee Stock Purchase Plan |
12 Months Ended | ||
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Jan. 01, 2017
shares
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Dec. 31, 2023
item
shares
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Dec. 31, 2022
shares
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |||
| Additional shares authorized for issuance | 606 | ||
| Offering period | 24 months | ||
| Number of purchase periods | item | 4 | ||
| Purchase period | 6 months | ||
| Discount available to eligible employees related to employee stock purchase plan | 85.00% | ||
| Shares purchased by employees under purchase plan | 0 | 0 | |
| Options to purchase shares of common stock available for future grants | 576 | 576 | |
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- Definition Employee stock purchase plan, number of purchase periods. No definition available.
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- Definition Employee stock purchase plan purchase period. No definition available.
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- Definition Share based compensation arrangement by share based payment award offering period. No definition available.
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- Definition Discount rate from fair value on offering date that participants pay for shares. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of additional shares authorized for issuance under share-based payment arrangement. No definition available.
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of shares purchased for issuance under share-based payment arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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