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Note 11 - Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2015
Notes Tables  
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
   
Level 1
   
Level 2
   
Level 3
   
Total
 
Asset Held For Sale
  $ -     $ 0.7     $ -     $ 0.7