Other income, net (Tables)

9 Months Ended

Sep. 30, 2019

Other Income and Expenses [Abstract]

Schedule of Other Income, Net

(in thousands)	THREE MONTHS ENDED SEPTEMBER 30,						NINE MONTHS ENDED SEPTEMBER 30,
	2019			2018			2019			2018
Interest income	$	392		$	469		$	1,278		$	1,093
Foreign exchange gain (losses)		1			(3	)		(6	)		(34	)
Miscellaneous expenses		(9	)		(262	)		(10	)		(433	)
	$	384		$	204		$	1,262		$	626