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5. Accrued business consolidation and restructuring expenses (Tables)
6 Months Ended
Jun. 30, 2012
Schedule of Restructuring and Related Costs [Table Text Block]
   
(In thousands)
 
Accrual balance, beginning of period
  $ 45  
Severance and moving charges
    117  
Cash payments
    (61)  
Accrual balance, end of period
  $ 101