Equity Incentive Plans and Stock Based Compensation - Summary of Stock Option Activity Under Equity Incentive Plan (Parenthetical) (Detail)
Aug. 01, 2017
|Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]|
|Threshold Pharmaceuticals, Inc. options assumed in merger with Molecular Templates, Inc.||963,681|
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.