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Business Segments, Concentration of Credit Risk and Significant Customers
 3 Months Ended
Mar. 31, 2016
Business Segments, Concentration of Credit Risk and Significant Customers  
Business Segments, Concentration of Credit Risk and Significant Customers

 

Note 5. 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.  Net 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 by geographical location as follows (in thousands):

 

 

 

Three Months Ended
March 31,

 

 

 

2016

 

2015

 

North America

 

$
788 

 

$
177 

 

Japan

 
392 

 
112 

 

Taiwan

 
247 

 
479 

 

Rest of world

 
24 

 
8 

 

 

 

 

 

 

 

Total net revenue

 

$
1,451 

 

$
776 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

Three Months Ended
March 31,

 

 

 

2016

 

2015

 

Customer A

 
46 

%

*

 

Customer B

 
26 

%
10 

%

Customer C

 
15 

%
60 

%

 

 

*Represents less than 10%

 

Three customers accounted for 81% of net accounts receivable at March 31, 2016. Three customers accounted for 94% of net accounts receivable at December 31, 2015.