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9. PENSION PLAN BENEFITS (Tables)
6 Months Ended
Jun. 30, 2014
Schedule of Pension Retirement Benefits (Details)  
Schedule of Pension Retirement Benefits (Details)
    Three months ended June 30,     Six months ended June 30,  
Components of net periodic benefits cost:   2014     2013     2014     2013  
  Service cost   $ 169     $ 171     $ 338     $ 341  
  Interest cost     116       93       233       186  
  Prior service amortization     24       24       49       49  
  Recognized net actuarial loss     36       49       71       98  
Total components of net periodic cost   $ 345     $ 337     $ 691     $ 674