Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2021

Revenue Recognition [Abstract]

Summary of Opening and Closing Balances of Contract Liabilities

The Company performs its obligations under a contract with a customer by transferring products and/or services in exchange for consideration from the customer. The Company typically invoices its customers as soon as control of an asset is transferred and a receivable for the Company is established. The Company, however, recognizes a contract liability when a customer prepays for goods and/or services and the Company has not transferred control of the goods and/or services. The opening and closing balances of the Company’s contract liabilities are as follows (in thousands):

	September 30,			December 31,
	2021			2020
Undelivered elements (training, installation, product    and support services)	$	1,015		$	670
Extended warranty contracts		1,557			1,609
Total deferred revenue		2,572			2,279
Less: long-term portion of deferred revenue		(294	)		(374	)
Deferred revenue — current	$	2,278		$	1,905

Summary of Disaggregation of Revenues Related to Geographic Areas

The Company’s revenues related to the following geographic areas were as follows (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
United States	$	5,939	$	4,755	$	17,024	$	10,079
International		3,592		1,784		9,756		4,181
Total net revenue	$	9,531	$	6,539	$	26,780	$	14,260

Summary of Revenues Disaggregated by Timing of Goods and Services Transferred

Information regarding revenues disaggregated by the timing of when goods and services are transferred is as follows (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
Revenue recognized over time	$	1,116	$	898	$	3,269	$	3,143
Revenue recognized at a point in time		8,415		5,641		23,511		11,117
Net revenue	$	9,531	$	6,539	$	26,780	$	14,260

Summary of Sales by End Market

The Company’s sales by end market were as follows (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
End-customer	$	5,939	$	5,087	$	17,024	$	9,845
Distributors		3,592		1,452		9,756		4,415
Net revenue	$	9,531	$	6,539	$	26,780	$	14,260