OTHER (EXPENSE) INCOME, NET (Tables)

9 Months Ended

Sep. 30, 2021

Other Income and Expenses [Abstract]

Principal components of other expense, net

The principal components of other expense, net, are as follows (in thousands):

 

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Interest and investment income	$	98	$	32	$	272	$	415
Income tax expense	(150)		(12)		(451)		(127)
Other non-operating expense	—		(551)		—		(549)
Total other (expense) income, net	$	(52)	$	(531)	$	(179)	$	(261)