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Segment Reporting, Geographic Information, and Significant Customers (Tables)
 12 Months Ended
Dec. 31, 2014
Market [Member] | Net Revenues [Member]  
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,      
    

2014

    

2013

    

2012

  

Mobile, Wearables, and Consumer

      60 %      66 %      46 % 

Gaming Devices

      27 %      21 %      28 % 

Automotive

      5 %      5 %      6 % 

Medical

      8 %      8 %      16 % 

Other

      0 %      0 %      4 % 
  

 

 

    

 

 

    

 

 

  

Total

      100 %      100 %      100 % 
  

 

 

    

 

 

    

 

 

  
Geographic Concentration Risk [Member] | Net Revenues [Member]  
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 ship-to location of the customer. Geographic revenue as a percentage of total revenues by region was as follows:

 

         Years Ended December 31,      
    

2014

    

2013

    

2012

  

North America

      29 %      28 %      41 % 

Europe

      3 %      4 %      13 % 

Asia

      68 %      68 %      46 % 
  

 

 

    

 

 

    

 

 

  

Total

      100 %      100 %      100 % 
  

 

 

    

 

 

    

 

 

  

Geographic revenue as a percentage of total revenues by country was as follows:

 

         Years Ended December 31,      
    

2014

    

2013

    

2012

  

United States of America

      27 %      26 %      38 % 

Korea

      51 %      58 %      36 % 

Japan

      10 %      7 %           * 

Countries of which none are more than 10% in a year

      12 %      9 %      26 % 
  

 

 

    

 

 

    

 

 

  

Total

      100 %      100 %      100 % 
  

 

 

    

 

 

    

 

 

  

 

* Represents less than 10% of the Company’s revenue and is included below.
Customer Concentration Risk [Member] | Net Revenues [Member]  
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,      
    

2014

    

2013

    

2012

  

Samsung Electronics

      38 %      47 %      24 % 

Customer B

      17 %           *           * 

Customer C

      12 %           *           * 

Customer D

           *           *           * 

Customer E

           *           *           * 

Customer F

           *           *           * 

Customer G

           *           *           * 
  

 

 

    

 

 

    

 

 

  

Total

      67 %      47 %      24 % 
  

 

 

    

 

 

    

 

 

  

 

* Revenue derived from customer represented less than 10% for the period.
Credit Concentration Risk [Member] | Outstanding Accounts and Other Receivable [Member]  
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,  
    

2014

    

2013

    

2012

  

Samsung Electronics

           *           *           * 

Customer B

           *           *           * 

Customer C

      66 %           *      33 % 

Customer D

           *           *      38 % 

Customer E

           *      11 %           * 

Customer F

           *           *      10 % 

Customer G

      16 %      28 %           * 

 

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