Note 12 - Intangible Assets

12 Months Ended

Dec. 31, 2021

Notes to Financial Statements

Goodwill and Intangible Assets Disclosure [Text Block]

12. Intangible Assets

Indefinite-lived Intangible Assets

Indefinite-lived intangible assets primarily consist of goodwill. The following table presents the goodwill balance by reportable segment (in thousands):

December 31,	2021		2020
Construction	$	51,769	$	51,769
Materials		1,946		1,946
Total goodwill	$	53,715	$	53,715

Amortized Intangible Assets

As of December 31, 2021 and 2020, amortized intangible assets included in other noncurrent assets in the consolidated balance sheets consisted of $9.5 million and $10.6 million, respectively, net of accumulated amortization of $14.5 million and $13.5 million, respectively, related to permits for our continuing operations.

The net amortization expense for continuing operations related to amortized intangible assets for each of the years ended December 31, 2021, 2020 and 2019 was $1.0 million and was primarily included in cost of revenue in the consolidated statements of operations. Amortization expense based on the amortized intangible assets balance at December 31, 2021 is expected to be $1.0 million in each year from 2022 to 2026 and $4.5 million thereafter.