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Significant Customers, Concentrations of Credit Risk, and Geographic Information (Tables)

9 Months Ended

Sep. 30, 2022

Significant Customers, Concentrations of Credit Risk, and Geographic Information

Schedule of net revenues from customers

​

​	​	​	​	​	​	​	​	​	​
​	​	Three months ended September 30,			​	Nine months ended September 30,
​		2022		2021		2022		2021	​
Customer A		20	%	15	%	27	%	11	%
Customer B		*	%	17	%	*	%	22	%
Customer C	​	15	%	*	%	18	%	*	%
Customer D	​	12	%	*	%	*	%	*	%
Customer E		10	%	12	%	*	%	12	%

*    Less than 10% of total net revenues

Schedule of net revenues by geographical area

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Three months ended September 30,

​

Nine months ended September 30,

​

2022

2021

2022

2021

​

(in thousands)

​

(in thousands)

United States

​

$

661

​

$

674

​

$

2,657

​

$

1,534

Asia and Middle East

​

1,069

​

1,383

​

2,849

​

3,873

Europe and other

​

121

​

166

​

376

​

448

Revenue, net

​

$

1,851

​

$

2,223

​

$

5,882

​

$

5,855

Schedule of assets by geographical area

​

​	​	​	​	​	​	​
​		September 30,			December 31,
​		2022			2021
​		(in thousands)
United States	​	$	314	​	$	536
Asia	​		215	​		176
Total long-lived assets	​	$	529	​	$	712

X

- Definition

Tabular disclosure of long-lived assets, excluding financial instruments, long-term customer relationships of a financial institution, mortgage rights, deferred policy acquisition costs, and deferred tax assets, by geographic areas located in the entity's country of domicile and foreign countries in which the entity holds assets.

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