|3 Months Ended|
Mar. 31, 2021
|Goodwill and Intangible Assets Disclosure [Abstract]|
4. Intangible Assets
Intangible assets consisted of the following (in thousands):
Amortization expense for the three months ended March 31, 2021, was approximately $1.3 thousand. Amortization expense for the three months ended March 31, 2020, was approximately $1.3 thousand.
The entire disclosure for all or part of the information related to intangible assets.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef