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Subsequent Events - Additional Information (Details) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 01, 2020 | Dec. 31, 2019 | Dec. 31, 2018
2014 Equity Incentive Plan |  |  |
Subsequent Event [Line Items] |  |  |
Share-based compensation arrangement by share-based payment award, number of additional shares authorized |  | 1,918,879 | 1,158,866
2014 Employee Stock Purchase Plan |  |  |
Subsequent Event [Line Items] |  |  |
Share-based compensation arrangement by share-based payment award, number of additional shares authorized |  | 29,411 | 29,411
Subsequent Event | New Jersey |  |  |
Subsequent Event [Line Items] |  |  |
Proceeds from sale of net operating loss and research and development tax credit carryforwards | $ 3.1 |  |
Subsequent Event | 2014 Equity Incentive Plan |  |  |
Subsequent Event [Line Items] |  |  |
Share-based compensation arrangement by share-based payment award, number of additional shares authorized | 3,896,548 |  |
Subsequent Event | 2014 Employee Stock Purchase Plan |  |  |
Subsequent Event [Line Items] |  |  |
Share-based compensation arrangement by share-based payment award, number of additional shares authorized | 29,411 |  |

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- Definition Proceeds from sale of net operating loss and research and development tax credit carryforwards. + References No definition available. + Details
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- Definition Number of additional shares authorized for issuance under share-based payment arrangement. + References No definition available. + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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