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Other Assets - Long Term (Tables)
12 Months Ended
Dec. 31, 2012
Other Assets - Long Term [Abstract]  
Schedule Of Other Assets - Long Term
      December 31,
  (in thousands)   2012   2011
Prepaid carrier fees   $ 1,880 $ 2,060
Cost-basis investments     522   522
Debt issuance cost     101   103
Deposits     195   124
    $ 2,698 $ 2,809