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Note 5 - Property and Equipment, Net (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Property, Plant and Equipment [Table Text Block]
 
 
2016
 
 
2015
 
Computer, software and related equipment
   $
1,652
     $
1,726
  
Office furniture and equipment
    
240
      
257
  
Leasehold improvements
    
699
      
771
  
     
2,591
      
2,754
  
Accumulated depreciation and amortization
    
(2,021
 )    
(2,045
 )
Property and equipment, net
   $
570
     $
709