Equity Incentive Plans and Stock Based Compensation - Stock-Based Compensation Expense (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
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Dec. 31, 2019 |
Dec. 31, 2018 |
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Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | ||
Stock-based compensation expense | $ 5,859 | $ 3,992 |
Research and Development | ||
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | ||
Stock-based compensation expense | 2,398 | 1,192 |
General and Administrative | ||
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | ||
Stock-based compensation expense | $ 3,461 | $ 2,800 |
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. 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. No definition available.
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