Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2019

Disaggregation of Revenue

Revenues for the three and nine months ended September 30, 2019 and 2018 were as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
	(Amounts in thousands)
Product revenue	$	69,419	$	49,500	$	200,701	$	142,042
Royalty and other income		26		29		70		48
Total revenue	$	69,445	$	49,529	$	200,771	$	142,090

Revenue from Significant Customers

Revenue from significant customers is as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
	(Amounts in thousands)
GE Healthcare	$	5,010	$	7,743	$	23,759	$	22,253
MilliporeSigma	$	9,458	$	8,791	$	28,354	$	24,181

Summary of Receivables and Deferred Revenue from Contracts with Customers

The following table provides information about receivables and deferred revenues from contracts with customers as of September 30, 2019 (amounts in thousands):

	2019
Balances from contracts with customers only:
Accounts receivable	$	41,968
Deferred revenue (included in accrued liabilities in the consolidated balance sheets)		4,286
Revenue recognized during the nine month period ending September 30, 2019 relating to:
The beginning deferred revenue balance	$	2,768
Changes in pricing related to products or services satisfied in previous periods		—