Revenue from Contracts with Customers (Tables)

9 Months Ended

Sep. 30, 2019

Revenue from Contract with Customer [Abstract]

Schedule of disaggregation of revenue

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

	Three Months Ended September 30,				Nine Months Ended September 30,
Major Products/Service Lines by Segment (in thousands)	2019		2018		2019		2018
U.S.
Product revenue, net(1)	$	74,650	$	70,255	$	225,274	$	215,829
License and royalty revenues	—		—		—		—
Total U.S. revenues	74,650		70,255		225,274		215,829
International
Product revenue, net(1)	10,587		18,069		31,123		39,567
License and royalty revenues	539		576		1,594		1,707
Total International revenues	$	11,126	$	18,645	$	32,717	$	41,274
Total revenues	$	85,776	$	88,900	$	257,991	$	257,103

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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.