|12 Months Ended|
Dec. 31, 2018
|Goodwill and Intangible Assets Disclosure [Abstract]|
4. Intangible Assets
Intangible assets consisted of the following (in thousands):
Amortization expense for 2018 was approximately $0.4 million, with $0.1 from continued operations and $0.3 million from discontinued operations. Amortization expense for 2017 was approximately $0.5 million, with the entire amount from discontinued operations.
The entire disclosure for all or part of the information related to intangible assets.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef