Net Sales by Product

12 Months Ended

Dec. 31, 2018

Segment Reporting [Abstract]

Net Sales by Product

11. Net sales by product:

The Company operates in a single industry engaging in the commercialization of pharmaceutical products principally in the areas of pain management and addiction. Accordingly, the Company’s business is classified as a single reportable segment.

The following table presents net sales by product for each of the years ended December 31 (in thousands):

	Year ended December 31,
	2018		2017		2016
BELBUCA	$	45,988	$	26,980	$	—
BUNAVAIL		5,422		7,942		8,266
Net product sales	$	51,410	$	34,922	$	8,266