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Note 6 - Corporate-wide Strategic Initiative - Restructuring (Tables)
3 Months Ended
Mar. 31, 2013
Schedule of Restructuring and Related Costs [Table Text Block]
   
(in thousands)
 
Accrued severance at beginning of period
  $ 88  
Severance paid
    (16 )
Accrued severance at end of period
  $ 72