Revenue (Tables)

3 Months Ended

Mar. 31, 2022

Revenue from Contract with Customer [Abstract]

Summary of Disaggregation of Revenue

The following table provides information about disaggregated revenue by product line:

	Three Months Ended March 31,
(in thousands)	2022		2021
Assay services revenue	$	18,800	$	14,573
Product revenue	453		193
Collaboration revenue	763		763
Other revenue:
Royalties	2,955		3,000
Other	9		331
Total other revenue	2,964		3,331
Total revenue	$	22,980	$	18,860

Summary of Change in Contract Liabilities

A summary of the change in contract liabilities is as follows:

(in thousands)	March 31, 2022		December 31, 2021
Balance at beginning of period	$	5,385	$	5,177
Recognition of revenue included in balance at beginning of period	(1,132)		(1,762)
Revenue deferred during the period, net of revenue recognized	30,317		1,970
Balance at end of period	$	34,570	$	5,385