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Note 11 - Restructuring Cost Activity (Tables)
6 Months Ended
Jun. 30, 2012
Schedule of Restructuring and Related Costs [Table Text Block]
   
Quarter Ended
   
Year to Date Ended
   
   
June 30,
 2012
   
June 30,
2011
   
June 30,
2012
   
June 30,
2011
 
Balance at beginning of Period
  $ 194     $ 618     $ 289     $ 791  
Payments and adjustments
    (84 )     (106 )     (179 )     (279 )
Balance at end of period
  $ 110     $ 512     $ 110     $ 512  
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]
   
Quarter Ended
   
Year to Date Ended
   
   
June 30,
2012
   
June 30,
2011
   
June 30,
2012
   
June 30,
2011
 
Balance at beginning of Period
  $ 524     $ 1,032     $ 626     $ 1,229  
Provision for additional expense
    176       249       202       249  
Payments and adjustments
    (117 )     (138 )     (245 )     (335 )
Balance at end of period
  $ 583     $ 1,143     $ 583     $ 1,143