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Note 3 - Revenues (Tables)
6 Months Ended
Jun. 30, 2015
Notes Tables  
Revenue from External Customers by Products and Services [Table Text Block]
 
 
Three Months Ended June 30,
 
 
Six Months Ended June 30,
 
 
 
2015
 
 
2014
 
 
2015
 
 
2014
 
Residential
                               
Video
  $ 85,638     $ 92,346     $ 173,555     $ 189,563  
Data
    74,480       66,098       143,536       131,205  
Voice
    10,954       15,786       25,519       32,116  
Business sales
    21,870       18,807       43,030       36,849  
Advertising sales
    7,320       8,888       14,893       17,020  
Other
    2,436       3,186       5,074       6,904  
Total revenues
  $ 202,698     $ 205,111     $ 405,607     $ 413,657