The Company markets its products globally through its sales personnel and a worldwide network of independent sales representatives and distributors. Geographic net revenues, based on “bill to” customer locations, for the three months ended March 31, 2021, and March 31, 2020, were as follows:


	Three Months Ended
	March 31,
(In thousands)	2021		2020
United States of America	$	4,100	$	2,713
Hong Kong/China		118,730		60,413
Taiwan		6,442		6,479
Korea		12,489		10,357
Western Europe (excluding Germany)		7,130		10,035
Japan		4,647		3,905
Germany		7,006		5,567
Other		13,193		10,195
Total net revenues	$	173,737	$	109,664

Schedules of Concentration of Risk, by Risk Factor

The following customers represented 10% or more of accounts receivable:


	March 31,		December 31,
Customer	2021		2020
Avnet	58	%	50	%
Powertech Distribution Ltd.	*		10	%

* Total customer accounts receivable was less than 10% of accounts receivable.