Product Revenue Detail (Tables)

3 Months Ended

Mar. 31, 2020

Revenue from Contract with Customer [Abstract]

Net Sales by Customer Type

Below is a summary of net sales by each customer type (in thousands):

	Three Months Ended March 31,
	2020		2019
Direct Customers	$	59,896	$	64,542
Distributors	1,840		2,013
Total	$	61,736	$	66,555