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Note 4 - Property, Plant and Equipment (Tables)
6 Months Ended
Jun. 30, 2015
Notes Tables  
Property, Plant and Equipment [Table Text Block]
 
 
June 30,
 
 
December 31,
 
 
 
2015
 
 
2014
 
Cable distribution systems
  $ 1,336,560     $ 1,309,475  
Customer premise equipment
    278,895       270,785  
Other equipment and fixtures
    303,039       294,847  
Buildings and leasehold improvements
    81,615       77,721  
Capitalized software
    70,504       66,567  
Construction in progress
    63,695       50,816  
Land
    9,480       9,470  
    $ 2,143,788     $ 2,079,681  
Less accumulated depreciation
    (1,530,976 )     (1,463,451 )
    $ 612,812     $ 616,230