Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Depreciation of Property and Equipment Estimated Useful Lives

Depreciation of property and equipment is computed using the straight-line method over the estimated useful lives for owned assets, which are as follows:


Office equipment, furniture, and fixtures		3-7 year
Leasehold improvements		3-13 years
Airborne equipment		7 years
Network equipment		5-25 years

Finite Lived Intangible Asset Useful Life

Intangible assets that are deemed to have a finite life are amortized over their useful lives as follows:


Software		3-8 years
Patents		4-12 years
Trademark/trade name		5 years
Aircell Axxess technology		8 years
OEM and dealer relationships		10 years
Service customer relationships		5-7 years