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SIGNIFICANT CUSTOMERS AND GEOGRAPHIC NET REVENUES (Tables)

9 Months Ended

Sep. 30, 2021

Concentration Risk [Line Items]

Geographic Net Revenues

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 and nine months ended September 30, 2021 and 2020, were as follows:

​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	Three Months Ended					​	Nine Months Ended
​	​	September 30,					​	September 30,
(In thousands)		2021			2020			2021			2020
United States of America	​	$	5,054	​	$	2,380	​	$	12,973	​	$	8,028
Hong Kong/China	​		103,937	​		76,549	​		344,790	​		202,642
Taiwan	​		7,629	​		4,133	​		20,432	​		17,811
Korea	​		17,508	​		12,121	​		43,702	​		29,762
Western Europe (excluding Germany)	​		11,418	​		7,535	​		27,268	​		25,565
Japan	​		6,959	​		4,303	​		16,758	​		12,606
Germany	​		9,402	​		5,755	​		24,064	​		17,169
Other	​		14,869	​		8,353	​		40,636	​		24,042
Total net revenues	​	$	176,776	​	$	121,129	​	$	530,623	​	$	337,625

Revenue from Contract with Customer Benchmark [Member]

Concentration Risk [Line Items]

Schedules of Concentration of Risk, by Risk Factor

The following customers represented 10% or more of the Company’s net revenues for the respective periods:

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​

​

​

​

​

​

​

​

​

​

​

​

​

Three Months Ended

Nine Months Ended

​

​

September 30,

​

September 30,

Customer

​

2021

​

2020

​

2021

​

2020

Avnet

27

%

​

18

%

29

%

​

14

%

Honestar Technologies Co., Ltd.

​

15

%

​

14

%

​

17

%

​

*

​

​

* Total customer revenue was less than 10% of net revenues.

Accounts Receivable [Member]

Concentration Risk [Line Items]

Schedules of Concentration of Risk, by Risk Factor

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

​	​	​	​	​	​	​
​	​	September 30,		​	December 31,
Customer		2021		​	2020
Avnet	​	40	%	​	50	%
Powertech Distribution Ltd.		*	​	​	10	%

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

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