Accrued Expenses and Other Current Liabilities (Tables)

12 Months Ended

Dec. 31, 2019

Payables and Accruals [Abstract]

Schedule of accrued expenses

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

	December 31,
	2019		2018
Commercial costs	$	3,514	$	2,884
Product revenue reserves	17,280		7,620
Royalty payable	2,797		1,735
Research costs	13,049		10,403
Payroll and employee benefits	11,551		12,230
Interest	3,050		3,050
Professional fees	1,439		3,465
Restructuring	255		613
Other current liabilities	95		203
Total accrued expenses and other current liabilities	$	53,030	$	42,203