Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2019

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities

Accrued expenses include of the following (in thousands):

	September 30, 2019		December 31, 2018
Legal costs	$	16,576	$	10,056
Settlement costs	7,944		8,673
Pricing adjustment settlement with Veterans Affairs	6,894		6,894
Estimated returns	2,365		2,325
Accrued clinical trials	1,337		1,233
External commissions	1,139		962
Other	1,183		1,699
Total	$	37,438	$	31,842