Other Income (Expense), Net (Tables)

12 Months Ended

Dec. 31, 2021

Other Income and Expenses [Abstract]

Components of Other Income

The components of Other income (expense), net for the years ended December 31 were as follows (in thousands):

	2021			2020		2019
Interest income	$	930		$	95	$	300
Rental income, net		792			792		792
(Loss) gain on disposal of equipment		(72	)		13		38
Foreign currency (losses) gains, net		(336	)		181		(108	)
Other		(111	)		12		44
	$	1,203		$	1,093	$	1,066