Other Income (Expense), Net (Tables)

6 Months Ended

Jun. 30, 2018

Other Income and Expenses [Abstract]

Schedule of Other Income (Expense)

The components of other income (expense), net are as follows:

	Three months ended June 30,						Six months ended June 30,
(in thousands)	2018			2017			2018			2017
Interest income	$	179		$	118		$	380		$	235
Other income (expense)	(230		)	(5		)	(209		)	(8		)
Fair value adjustment to derivative liability	—			225			—			225
Total other income (expense), net	$	(51	)	$	338		$	171		$	452