Revenue from Contracts with Customers

6 Months Ended

Jun. 30, 2019

Revenue from Contract with Customer [Abstract]

Revenue from Contracts with Customers

Revenue from Contracts with Customers

The following table summarizes revenue by revenue source and reportable segment as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
Major Products/Service Lines by Segment (in thousands)	2019		2018		2019		2018
U.S.
Product revenue, net(1)	$	75,190	$	74,086	$	150,624	$	145,574
License and royalty revenues	—		—		—		—
Total U.S. revenues	75,190		74,086		150,624		145,574
International
Product revenue, net(1)	9,987		10,918		20,536		21,498
License and royalty revenues	528		569		1,055		1,131
Total International revenues	$	10,515	$	11,487	$	21,591	$	22,629
Total revenues	$	85,705	$	85,573	$	172,215	$	168,203

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(1) The Company’s principal products include DEFINITY and TechneLite and are categorized within product revenue, net. The Company applies the

same revenue recognition policies and judgments for all of its principal products.

The Company’s performance obligations are typically part of contracts that have an original expected duration of one year or less. As such, under the optional exemption provided by ASC 606-10-50-14, the Company is not disclosing the aggregate amount of the transaction price allocated to performance obligations that are unsatisfied (or partially satisfied) as of the end of the reporting period.