Intangible assets, including goodwill, consisted of the following (in thousands):

Kinergy Tradename – The Company recorded a tradename of $2,678,000 as part of the Company’s merger with Kinergy in 2006. The Company determined that the tradename has an indefinite life and therefore, rather than being amortized, will be tested annually for impairment. The Company did not record any impairment on its tradename for the years ended December 31, 2025, 2024 and 2023.

Alto Carbonic Customer Relationships – The Company recorded customer relationships of $3,685,000 from the Company’s acquisition of Kodiak Carbonic. The Company did not record any asset impairment on its customer relationships for the year ended December 31, 2025.

Eagle Alcohol Customer Relationships – The Company recorded customer relationships of $6,556,000 from the Company’s acquisition of Eagle Alcohol. As part of the Company’s impairment testing, it impaired this intangible asset by $3,401,000 and recognized the amount in asset impairments in the consolidated statement of operations for the year ended December 31, 2024. The Company did not record any asset impairment on its customer relationships for the years ended December 31, 2025 and 2023.

Eagle Alcohol Tradename – The Company recorded a tradename of $420,000 from the Company’s acquisition of Eagle Alcohol. The Company did not record any tradename impairment for the years ended December 31, 2025, 2024 and 2023.

Amortization expense associated with intangible assets totaled $621,000, $588,000 and $588,000 for the years ended December 31, 2025, 2024 and 2023. The weighted-average unamortized life of the customer relationships and tradename is 7.9 years.

The expected amortization expense relating to amortizable intangible assets in each of the five years after December 31, 2025 are (in thousands):