This excerpt taken from the ININ 10-K filed Mar 28, 2005.
3. PROPERTY AND EQUIPMENT
Property and equipment are summarized as follows at December 31 (in thousands):
Property and equipment is depreciated over useful lives of 3 to 5 years, except for leasehold improvements, which are depreciated over the lesser of the term of the related lease or the estimated useful life, which vary from 5 to 15 years.