Current Liabilities (Tables)

9 Months Ended

Sep. 30, 2019

Payables and Accruals [Abstract]

Schedule of accrued expenses

Accrued expenses consisted of the following as of September 30, 2019 and December 31, 2018 (in thousands):

	September 30, 2019		December 31, 2018
Commercial rebates, fees and returns	$	127,138	$	80,520
Professional, license, and other fees and expenses	18,964		23,242
Salaries, bonuses, and other compensation	17,498		22,482
Research and development expense	4,020		2,226
Interest expense	3,467		1,067
Restructuring expense	1,198		—
Total accrued expenses	$	172,285	$	129,537