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Note 14 - Segment Data (Tables)
12 Months Ended
Dec. 31, 2012
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
Revenues
 
2012
   
2011
   
2010
 
North America
  $ 7,947     $ 7,608     $ 6,559  
Pacific Rim
    3,340       7,679       6,458  
Europe
    2,568       6,706       5,190  
Total
  $ 13,855     $ 21,993     $ 18,207  
Revenue from External Customers by Products and Services [Table Text Block]
Product Revenues
 
2012
   
2011
   
2010
 
Telecommunications
  $ 10,082     $ 17,771     $ 15,104  
Services
    3,246       2,469       1,392  
Enterprise
    393       1,591       1,553  
Other
    134       162       158  
Total
  $ 13,855     $ 21,993     $ 18,207