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Note 14 - Segment and Geographical Information (Tables)
3 Months Ended
May 05, 2018
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Connected Smart TV Platforms
  $
27,890
 
IoT Devices
   
11,674
 
Net revenue
  $
39,564
 
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
Asia
  $
31,922
 
North America
   
5,819
 
Europe
   
1,823
 
Net revenue
  $
39,564
 
Geographic Concentration Risk [Member]  
Notes Tables  
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
China, including Hong Kong
  $
21,790
 
Taiwan
   
6,951
 
United States
   
5,520
 
Republic of Korea
   
1,675
 
Rest of the World
   
3,628
 
Net revenue
  $
39,564