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Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2024
Accounting Policies [Abstract]  
Schedule of Concentrations of Risk Percentage

For each significant customer, revenue as a percentage of total revenue for the periods presented were as follows:

 

 

 

Year Ended December 31,

 

 

2024

 

2023

 

2022

Customer A(1)

 

15.2%

 

*%

 

*%

Customer B(2)

 

*

 

*

 

11.6

Genentech, Inc. and Roche Group(2)

 

*

 

27.8

 

36.4

* less than 10%

 

 

 

 

 

 

 

(1) The related revenue was recognized and reported by our MRD segment.

(2) The related revenue was recognized and reported by both our MRD and Immune Medicine segments.
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 7 years