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5. Accrued business consolidation and restructuring expenses (Tables)
9 Months Ended
Sep. 30, 2012
Schedule of Restructuring and Related Costs [Table Text Block]
   
(In thousands)
Accrual balance, beginning of period
  $ 45
Severance and moving charges
    140
Cash payments
    (169)
Accrual balance, end of period
  $ 16