Additional Financial Statement Information (Tables)

12 Months Ended

Dec. 31, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Other Nonoperating Income (Expense)

The caption “Other” on the consolidated statements of operations consists of the following (in thousands):

	Years ended December 31,
	2021		2020		2019
Foreign exchange loss	$	(110)	$	(2,246)	$	(1,638)
Interest income	252		246		622
Pension expense	(468)		(738)		(643)
Other	96		(244)		958
	$	(230)	$	(2,982)	$	(701)

Schedule of Accrued Liabilities

Other accrued expenses consist of the following (in thousands):

	December 31,
	2021		2020
Customer advance payments	$	4,765	$	2,873
Accrued restructuring	—		63
Goods received, not yet invoiced	2,998		2,553
Accrued taxes, other than income taxes	1,425		1,223
Accrued commissions	2,605		2,144
Accrued professional fees	1,336		1,169
Accrued technical warranty	761		780
Current accrued pension and other post retirement costs	709		611
Other	2,997		2,427
	$	17,596	$	13,843