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Note 11. Lease Commitments (Tables)
 12 Months Ended
Dec. 31, 2012
Schedule of Future Minimum Lease Payments [Table Text Block]
   
Capital
   
Operating
   
Total
 
2013
  $ 15     $ 383     $ 398  
2014
    15       283       298  
2015
    15       206       221  
2016
    15       205       220  
2017
    15       112       127  
After 2017
    525       —       525  
Total minimum lease payments
    600     $ 1,189     $ 1,789  
Less: Amounts representing interest
    374                  
Present value of minimum payments
    226                  
Less: Current portion of obligations under capital leases
    2                  
Long-term portion of obligations under capital leases
  $ 224