Accrued Expenses and Other Current Liabilities

12 Months Ended

Dec. 31, 2017

Payables And Accruals [Abstract]

Accrued Expenses and Other Current Liabilities

(6)    Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consist of the following as of December 31, 2017 and 2016:

In thousands	December 31, 2017		December 31, 2016
Payroll and payroll-related expenses	$	8,298	$	6,611
Research and development expenses		1,772		293
Sales and marketing accruals		9,230		2,821
Accrued revenue allowances		34,445		22,195
All other		5,157		5,800
Accrued expenses and other current liabilities	$	58,902	$	37,720