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

3 Months Ended

Mar. 31, 2022

Significant Customers, Concentrations of Credit Risk, and Geographic Information

Schedule of net revenues from customers

​

​	​	​	​	​	​
​	​	Three months ended March 31,			​
​		2022		2021
Customer A		35	%	*	%
Customer B		*	%	19	%
Customer C	​	15	%	*	%
Customer D	​	*	%	17	%
Customer E		11	%	*	%

*    Less than 10% of total net revenues

Schedule of net revenues by geographical area

​

​	​	​	​	​	​	​
​	​	Three months ended March 31,
​		2022			2021
​		(in thousands)
United States	​	$	1,001	​	$	270
Asia and Middle East	​		811	​		1,112
Europe and other	​		179	​		186
Revenue, net	​	$	1,991	​	$	1,568

Schedule of assets by geographical area

​

​	​	​	​	​	​	​
​		March 31,			December 31,
​		2022			2021
​		(in thousands)
United States	​	$	461	​	$	536
Asia	​		114	​		176
Total long-lived assets	​	$	575	​	$	712

X

- Definition

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