Accrued Expenses

12 Months Ended

Dec. 31, 2018

Payables and Accruals [Abstract]

Accrued Expenses

Accrued Expenses

Accrued expenses include the following at December 31, 2018 and December 31, 2017 (in thousands):

	December 31,
	2018		2017
Legal costs	$	10,056	$	3,760
Settlement costs	8,673		—
Pricing adjustment settlement with Veterans Affairs	6,894		5,600
Estimated returns	2,325		3,255
Accrued clinical trials	962		617
External commissions	1,233		1,397
Other	1,699		1,139
Total	$	31,842	$	15,768