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Note 10 - Stockholders' Equity (Tables)
 3 Months Ended
Mar. 31, 2017
Notes Tables  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
 
 
Foreign
 
 
 
 
 
 
 
Currency
 
 
 
 
 
 
 
Translation
 
 
AOCL
 
Balance at January 1, 2017
   $
(85
 )   $
(85
 )
Foreign currency translation adjustment
    
18
     
18
 
Balance at March 31, 2017
 
$
(67
)
 
$
(67
)