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Segment Reporting, Geographic Information, and Significant Customers (Tables)
 12 Months Ended
Dec. 31, 2017
Market | Net Revenues  
Schedules of Concentration of Risk by Risk Factor
The following is a summary of revenues by market areas. Revenue as a percentage of total revenues by market was as follows:
 
Years Ended December 31,    
 
2017
 
2016
 
2015
Mobile, Wearables, and Consumer
48
%
 
57
%
 
62
%
Gaming Devices
31
%
 
24
%
 
24
%
Automotive
15
%
 
7
%
 
7
%
Medical
6
%
 
12
%
 
7
%
Total
100
%
 
100
%
 
100
%
Geographic Concentration Risk | Net Revenues  
Schedules of Concentration of Risk by Risk Factor
The following is a summary of revenues by geographic areas. Revenues are broken out geographically by the location of the customer. Geographic revenue as a percentage of total revenues by region was as follows: 
 
Years Ended December 31,    
 
2017
 
2016
 
2015
North America
22
%
 
32
%
 
28
%
Europe
15
%
 
8
%
 
5
%
Asia
63
%
 
60
%
 
67
%
Total
100
%
 
100
%
 
100
%
Geographic revenue as a percentage of total revenues by country was as follows:
 
Years Ended December 31,    
 
2017
 
2016
 
2015
Japan
39
%
 
11
%
 
14
%
United States of America
22
%
 
26
%
 
27
%
Korea
18
%
 
47
%
 
46
%
Countries of which none are more than 10% in a year
21
%
 
16
%
 
13
%
Total
100
%
 
100
%
 
100
%
Geographic Concentration Risk | Assets, Total  
Schedules of Concentration of Risk by Risk Factor
The following is a summary of long-lived assets by country. Long-lived assets include net property and equipment, intangibles, and other assets. Geographic long-lived assets as a percentage of total long-lived assets by country were as follows:
 
December 31,    
 
2017
 
2016
United States of America
83
%
 
83
%
Canada
8
%
 
8
%
Rest of World
9
%
 
9
%
Total
100
%
 
100
%
Customer Concentration Risk | Net Revenues  
Schedules of Concentration of Risk by Risk Factor
Customers comprising 10% or greater of the Company’s net revenues are summarized as follows:
 
Years Ended December 31,    
 
2017
 
2016
 
2015
Samsung Electronics
—
%
 
33
%
 
32
%
Customer B
20
%
 
13
%
 
18
%
Customer C
18
%
 
14
%
 
14
%
Customer D
11
%
 
2
%
 
—
%
Total
49
%
 
62
%
 
64
%
Credit Concentration Risk | Outstanding Accounts and Other Receivable  
Schedules of Concentration of Risk by Risk Factor
Customers comprising 10% or greater of the Company’s outstanding accounts and other receivable are summarized as follows:
 
 
December 31,
 
2017
 
2016
 
2015
Customer C
*

 
18
%
 
*

Customer E
55
%
 
*

 
* 

Customer F
26
%
 
46
%
 
31
%
Customer G
*

 
16
%
 
*

Customer H
*

 
*

 
44
%
Customer I
*

 
*

 
11
%
* Represents less than 10% of the Company’s outstanding accounts and other receivables.