|6 Months Ended|
Jun. 30, 2019
|Goodwill and Intangible Assets Disclosure [Abstract]|
|Intangible Assets||Intangible Assets
The following table summarizes the components of gross and net intangible asset balances (in thousands):
Finite-lived intangible assets are amortized over their weighted average lives, which are 14 years for technology, 10 years for customer related intangibles, 7 years for trade names, 6 years for internally developed software, 12 years for patents, 2 years for service agreements and 11 years weighted average in total.
Internally developed software consists of $14.1 million relating to costs incurred for development of internal use computer software and $2.2 million for development of software to be sold.
Amortization expense related to intangible assets with definite lives was as follows (in thousands):
The amortization expense amounts shown above include internally developed software not held for sale of $0.5 million and $1.0 million for the three and six months ended June 30, 2019, respectively which is recorded within the Company's income statement as a general and administrative operating expense.
Expected amortization expense related to amortizable intangible assets is as follows (in thousands):
The entire disclosure for all or part of the information related to intangible assets.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef