Note 5 - Goodwill and Intangible Assets

12 Months Ended

Dec. 31, 2024

Notes to Financial Statements

Goodwill and Intangible Assets Disclosure [Text Block]

5. Goodwill and Intangible Assets

Management evaluates goodwill for impairment on an annual basis (in the fourth quarter), and no impairment charge was identified for the years presented.

Definite-lived intangible assets, consisting of patents and trademarks, are amortized over their useful lives. Amortization expense for intangible assets was $0 and $1,000 for the years ended December 31, 2024 and 2023, respectively. There is no estimated future amortization expense related to definite-lived intangible assets as of December 31, 2024.