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Note 6 - Capital Leased Assets (Tables)
12 Months Ended
Dec. 31, 2015
Notes Tables  
Schedule of Capital Leased Assets [Table Text Block]
 
 
2015
 
 
2014
 
Leased property under capital leases
  $ 10,352     $ 10,285  
Less accumulated amortization
    (4,310 )     (3,867 )
Leased property under capital leases, net
  $ 6,042     $ 6,418