Other Financial Statement Data (Tables)

6 Months Ended

Jun. 30, 2022

Balance Sheet Related Disclosures [Abstract]

Schedule of Inventories

Inventories consisted of the following:

(In thousands)	June 30, 2022		December 31, 2021
Raw materials and purchased parts	$	19,802	$	18,013
Work in process	1,763		1,655
Finished goods	6,684		6,859
Demonstration inventories, net	1,396		1,075
Total inventories	$	29,645	$	27,602

Schedule of Accrued Liabilities

Accrued expenses consisted of the following:  

(In thousands)	June 30, 2022		December 31, 2021
Wages and benefits	$	2,457	$	2,966
Warranty liability	1,043		949
Income taxes payable	71		341
Other	207		162
Total accrued expenses	$	3,778	$	4,418

Schedule of Changes In Estimated Warranty Liability

A reconciliation of the changes in our estimated warranty liability is as follows:

	Six Months Ended June 30,
(In thousands)	2022			2021
Balance at beginning of period	$	991		$	839
Accrual for warranties	554			527
Warranty revision	34			3
Settlements made during the period	(481		)	(392		)
Balance at end of period	1,098			977
Current portion of estimated warranty liability	(1,043		)	(920		)
Long-term estimated warranty liability	$	55		$	57

Schedule of Changes In Deferred Warranty Revenue

A reconciliation of the changes in our deferred warranty revenue is as follows:

	Six Months Ended June 30,
(In thousands)	2022			2021
Balance at beginning of period	$	445		$	344
Revenue deferrals	253			268
Amortization of deferred revenue	(244		)	(221		)
Total deferred warranty revenue	454			391
Current portion of deferred warranty revenue	(354		)	(301		)
Long-term deferred warranty revenue	$	100		$	90