Product Revenue, Net (Tables)

3 Months Ended

Mar. 31, 2020

Product Revenue, Net [Abstract]

Product Revenues

The table below summarizes consolidated product revenue, net by region:

	Three Months Ended March 31,
	2020		2019
	(in thousands)
Product revenue, net:
U.S.	$	50,779	$	37,991
ex-U.S.		21,873		13,856
Total product revenue, net	$	72,652	$	51,847