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Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2021
Accounting Policies [Abstract] |
Schedule of Concentrations of Risk Percentage | For each significant customer, revenue as a percentage of total revenue for the periods presented and accounts receivable, net as a percentage of total accounts receivable, net as of the dates presented were as follows:
|  | Revenue |  | Accounts Receivable, Net |
|  | Year Ended December 31, |  | December 31, |
|  | 2021 |  | 2020 |  | 2019 |  | 2021 |  | 2020 |
Customer A |  | *% |  | *% |  | 13.9% |  | *% |  |  | 19.1 | %
Customer B |  | * |  | * |  | * |  | 11.3 |  | 12.2 |
Genentech, Inc. and Roche Group |  | 41.9 |  | 55.8 |  | 42.1 |  | * |  | * |
* less than 10% |  |  |  |  |  |  |  |  |  |  |  |
Summary of Useful Lives Assigned to Property and Equipment | Useful lives assigned to property and equipment are as follows:
Laboratory equipment |  | 3 years to 7 years
Leasehold improvements |  | Shorter of estimated useful life or remaining lease term
Computer equipment and software |  | 3 years to 5 years
Furniture and office equipment |  | 3 years to 10 years

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