Employee Benefit Plan - Additional Information (Detail) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Molecular Templates 401(k) Plan | ||
| Defined Contribution Plan Disclosure [Line Items] | ||
| Vesting period for Company's matching contribution | 3 years | |
| Percentage of Company's matching contribution vested after year one | 25.00% | |
| Percentage of Company's matching contribution vested after year two | 50.00% | |
| Percentage of Company's matching contribution vested after year three | 100.00% | |
| Employer discretionary contribution amount | $ 0 | $ 43,000 |
| Threshold Pharmaceuticals 401(k) Plan | ||
| Defined Contribution Plan Disclosure [Line Items] | ||
| Employer discretionary contribution amount | $ 0 | |
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- Definition Percentage of Company's matching contribution vested after year one. No definition available.
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- Definition Percentage of Company's matching contribution vested after year three. No definition available.
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- Definition Percentage of Company's matching contribution vested after year two. No definition available.
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- Definition Vesting period for Company's matching contribution. No definition available.
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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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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. No definition available.
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- Details
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- Details
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