Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2019

Percentage of Revenue from Significant Customers

Revenue from significant customers as a percentage of the Company’s total revenue is as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
GE Healthcare		N/A			16	%		12	%		16	%
MilliporeSigma		14	%		18	%		14	%		17	%

Total Revenue

Percentage by Geographic Area or Significant Customers

The following table represents the Company’s total revenue by geographic area (based on the location of the customer):

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2019			2018			2019			2018
Revenue by customers’ geographic locations:
North America		54	%		49	%		51	%		47	%
Europe		33	%		39	%		37	%		41	%
APAC		13	%		12	%		12	%		12	%
Other		0	%		0	%		0	%		0	%
Total revenue		100	%		100	%		100	%		100	%

Accounts Receivable

Percentage by Geographic Area or Significant Customers

Significant accounts receivable balances as a percentage of the Company’s total trade accounts receivable are as follows:

	September 30,			December 31,
	2019			2018
GE Healthcare		10	%		17	%
MilliporeSigma		N/A			11	%