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Business Segments, Concentration of Credit Risk and Significant Customers
 12 Months Ended
Dec. 31, 2016
Business Segments, Concentration of Credit Risk and Significant Customers  
Business Segments, Concentration of Credit Risk and Significant Customers

Note 8: Business Segments, Concentration of Credit Risk and Significant Customers

The Company operates in one business segment and uses one measurement of profitability for its business. Revenue attributed to the United States and to all foreign countries is based on the geographical location of the customer.

Financial instruments that potentially subject the Company to significant concentrations of credit risk consist principally of cash, cash equivalents, short-term and long-term investments and accounts receivable. Cash, cash equivalents and short-term and long term investments are deposited with high credit-quality institutions.

The Company recognized revenue from licensing of its technologies and shipment of ICs to customers in North America, Asia and Europe as follows (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

 

Year Ended December 31, 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2016

    

2015

    

2014

 

North America

 

$
3,816

 

$
2,222

 

$
1,485

 

Japan

 

 
1,303

 

 
667

 

 
1,961

 

Taiwan

 

 
804

 

 
1,396

 

 
1,894

 

Rest of world

 

 
101

 

 
105

 

 
40

 

Total net revenue

 

$
6,024

 

$
4,390

 

$
5,380

 

 

Customers who accounted for at least 10% of total net revenues were:

 

 

 

 

 

 

 

 

 

 

Years Ended December 31, 

 

 

 

 

 

 

 

 

 

 

 

2016

    

2015

    

2014

 

Customer A

 
47

%  
34

 

*

 

Customer B

 
21

%  
12

%  
31

%

Customer C

 
13

%  
31

%  
34

%

Customer D

 

*

 

*

 
11

%

*Represents percentage less than 10%.

One customer accounted for 72% of net accounts receivable at December 31, 2016. Three customers accounted for 94% of net accounts receivable at December 31, 2015.

Net long-lived assets (property and equipment), classified by major geographic areas, was (in thousands):

 

 

 

 

 

 

 

 

 

 

December 31, 

 

 

 

2016

 

2015

 

 

 

(in thousands)

 

U.S.

    

$
1,274

    

$
1,578

 

Non-U.S.

 

 

 —

 

 
52

 

Total

 

$
1,274

 

$
1,630