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Note 6 - Guarantees (Tables)
3 Months Ended
Mar. 31, 2014
Guarantees [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]
Accrued warranty obligations as of December 31, 2013
  $ 13  
Actual warranty experience during 2014
    (5 )
2014 warranty provisions
    2  
Accrued warranty obligations as of March 31, 2014
  $ 10  
         
Deferred Revenue, by Arrangement, Disclosure [Table Text Block]
Deferred revenue on extended warranties as of December 31, 2013
  $ 30  
New extended warranty and maintenance arrangements in 2014
    51  
Recognition of extended warranty and maintenance arrangement revenue in 2014
    (52 )
Deferred revenue on extended warranties as of March 31, 2014
  $ 29