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Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 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

 

 

 

Three Months Ended June 30,

 

Six Months Ended June 30,

 

June 30,

 

December 31,

 

 

 

2021

 

2020

 

2021

 

2020

 

2021

 

2020

 

Customer A

 

*%

 

*%

 

*%

 

*%

 

*%

 

 

19.1

%

Customer B

 

*

 

*

 

*

 

*

 

15.0

 

12.2

 

Genentech, Inc. and Roche Group

 

46.0

 

63.0

 

44.1

 

58.7

 

*

 

*

 

* less than 10%