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Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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Jun. 30, 2019
Accounting Policies [Abstract] |
Schedule Of Estimated Useful Lives Of Property Plant And Equipment | The useful lives of the property and equipment are as follows:
Laboratory equipment |  | 5 years
Furniture and office equipment |  | 5 years
Computer equipment |  | 3 years
Software |  | 3 years
Leasehold improvements |  | Shorter of remaining lease term or estimated useful life
Summary of Impact of the Adoption of Topic 842 | The following table summarizes the impact of the adoption of Topic 842 on the accompanying balance sheet as of January 1, 2019 (in thousands):
|  | December 31, |  |  | Effect of the Adoption of |  |  | January 1, |
|  | 2018 |  |  | Topic 842 |  |  | 2019 |
Other non-current assets(1) |  | $ | 50 |  |  | $ | 691 |  |  | $ | 741 |
Lease Liabilities: |  |  |  |  |  |  |  |  |  |  |  |
Current operating lease liabilities |  | $ | — |  |  | $ | 339 |  |  | $ | 339 |
Non-current operating lease liabilities |  | $ | — |  |  | $ | 465 |  |  | $ | 465 |
Accrued and other current liabilities(2) |  | $ | 9,576 |  |  | $ | (41 | ) |  | $ | 9,535 |
Other non-current liabilities(3) |  | $ | 72 |  |  | $ | (72 | ) |  | $ | — |
| (1) | Operating lease right-of-use assets are classified within other non-current assets.
| (2) | Current deferred rent was classified within accrued and other current liabilities as of December 31, 2018.
| (3) | Non-current deferred rent was classified within other non-current liabilities as of December 31, 2018.

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