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Advertising Costs
6 Months Ended
Jun. 30, 2011
Advertising Costs [Abstract]  
Advertising Costs
 
(19) Advertising Costs — Advertising costs are charged to operations when incurred because they occur in the same period as the benefit is derived. The Company does not incur any direct response advertising costs. Advertising expenses were $7,100 and a benefit of $25,900 for the three months ended June 30, 2011 and 2010, respectively, and $12,400 and $50,400 for the six months ended June 30, 2011 and 2010, respectively for wireless operations and $0.1 million and $0.2 million for the three months and six months ended June 30, 2011, respectively, for software operations.