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Note 8 - Restructuring (Tables)
6 Months Ended
Jun. 30, 2012
Schedule of Restructuring and Related Costs [Table Text Block]
   
Three Months
Ended June 30,
   
Six Months
Ended June 30,
 
   
2012
   
2011
   
2012
   
2011
 
Beginning balance
 
$
622
   
$
1,219
   
$
728
   
$
1,379
 
Restructuring charges (credits)
   
91
     
(122
)
   
83
     
(133
)
Adjustments
   
162
     
7
     
166
     
17
 
Cash payments
   
(178
)
   
(161
)
   
(280
)
   
(320
)
Ending balance
 
$
697
   
$
943
   
$
697
   
$
943