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Note 5 - Capital Leased Assets (Tables)
9 Months Ended
Sep. 30, 2016
Notes Tables  
Schedule of Capital Leased Assets [Table Text Block]
 
 
September 30,
 
 
December 31,
 
 
 
2016
 
 
2015
 
Leased property under capital leases
  $ 10,538     $ 10,352  
Less accumulated amortization
    (4,637 )     (4,310 )
Leased property under capital leases, net
  $ 5,901     $ 6,042