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Note 7 - Restructuring Charge (Tables)
12 Months Ended
Dec. 31, 2012
Schedule of Restructuring and Related Costs [Table Text Block]
 
Description
 
Severance &
Fringe Benefits
 
Restructuring charge
  $ 253  
Cash payments during quarter ended December 31, 2012
    (91 )
Remaining liability as of December 31, 2012
  $ 162