Stock-based Compensation - Expense Related to Stock Options (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2020 |
Jun. 30, 2019 |
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Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||
Stock-based compensation expense related to stock options | $ 411 | $ 446 | $ 821 | $ 938 |
Research and development, net | ||||
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||
Stock-based compensation expense related to stock options | 128 | 165 | 264 | 323 |
Selling, general and administrative | ||||
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||
Stock-based compensation expense related to stock options | $ 283 | $ 281 | $ 557 | $ 615 |
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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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