Net Sales By Product (Tables)

12 Months Ended

Dec. 31, 2021

Segment Reporting [Abstract]

Summary of Net Sales by Product

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

	Year ended December 31,
	2021			2020			2019
BELBUCA	$	148,189		$	136,128		$	97,538
% of net product sales	90.0		%	88.1		%	90.4		%
Symproic	16,409			14,709			8,061
% of net product sales	10.0		%	9.5		%	7.5		%
BUNAVAIL	—			3,737			2,289
% of net product sales	—		%	2.4		%	2.1		%
Net product sales	$	164,598		$	154,574		$	107,888