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Note 8 - Restructuring Activities (Tables)
9 Months Ended
Sep. 30, 2014
Restructuring and Related Activities [Abstract]  
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]
   

(in thousands)

 

Accrued liability at beginning of period

  $ 896  

Severance paid

    (424

)

Site closure costs paid

    (58

)

Accrued liability at end of period

  $ 414