Accrued Expenses and Other Current Liabilities

12 Months Ended

Dec. 31, 2017

Payables And Accruals [Abstract]

Accrued Expenses and Other Current Liabilities

5. Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities are comprised of the following (in thousands):

	December 31,
	2017		2016
Salary and related expenses	$	7,260	$	3,814
Current portion of milestone rights liability		1,643		—
Professional fees		1,007		875
Discounts and allowances for commercial product sales		873		754
Sales and marketing services		147		144
Restructuring		362		1,376
Accrued interest		567		619
Other		590		355
Accrued expenses and other current liabilities	$	12,449	$	7,937