Additional Financial Statement Information (Tables)

12 Months Ended

Dec. 31, 2019

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,
	2019			2018			2017
Foreign exchange loss	$	(1,638	)	$	(279	)	$	(724	)
Interest income	622			506			167
Pension expense	(643		)	(1,682		)	(863		)
Other	958			(41		)	1,337
	$	(701	)	$	(1,496	)	$	(83	)

Schedule of Accrued Liabilities

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

	December 31,
	2019		2018
Customer advance payments	$	4,561	$	5,328
Accrued restructuring	604		159
Goods received, not yet invoiced	1,561		1,819
Accrued taxes, other than income taxes	1,167		2,293
Accrued commissions	2,149		2,203
Accrued professional fees	1,082		1,775
Lease liability - current	2,827		—
Other	5,002		3,454
	$	18,953	$	17,031