Summary of Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2022

Accounting Policies [Abstract]

Summary of Balances of Contract Liabilities

The Company recognizes a contract liability when a customer pays for goods or services for which the Company has not yet transferred control. The balances of the Company’s contract liabilities are as follows:

	As of
	June 30,		December 31,
	2022		2021
	(in thousands)
Extended service contracts	$	137	$	251
Subscription software licenses		485		520
Total contract liabilities	$	622	$	771

Schedule of Revenues Disaggregated by Segment and Timing of Goods and Services Transferred

The following table provides information regarding revenues disaggregated by segment and the timing of when goods and services are transferred:

	Three Months Ended				Six Months Ended
	June 30,		June 30,		June 30,		June 30,
	2022		2021		2022		2021
	(in thousands)
Product revenue recognized at a point in time	$	8,266	$	5,959	$	15,293	$	11,573
Product revenue recognized over time		176		212		352		407
Software revenue recognized at a point in time		545		344		764		518
Software revenue recognized over time		1,560		1,477		3,171		2,921
Total	$	10,547	$	7,992	$	19,580	$	15,419

Schedule of Reconciliation of Change in Estimated Warranty

The following table provides a reconciliation of the change in estimated warranty liabilities for the three and six months ended June 30, 2022 and 2021:

	Three Months Ended						Six Months Ended
	June 30,			June 30,			June 30,			June 30,
	2022			2021			2022			2021
	(in thousands)						(in thousands)
Balance at beginning of period	$	1,615		$	1,453		$	1,620		$	1,584
Provision for warranties issued		470			330			780			660
Warranty costs incurred		(355	)		(387	)		(670	)		(848	)
Balance at end of period	$	1,730		$	1,396		$	1,730		$	1,396

Schedule of Warranty Liability Current and Non-Current are Included in Other Current Liabilities and Other Liabilities Respectively on Unaudited Condensed Consolidated Balance Sheets

The warranty liability, current and non-current, are included in other current liabilities and other liabilities, respectively, on the unaudited condensed consolidated balance sheets as follows:

	June 30,		December 31,
	2022		2021
	(in thousands)
Current portion	$	1,219	$	1,132
Non-current portion		511		488
Total	$	1,730	$	1,620