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Note 12 - Intangible Assets - Goodwill (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Goodwill	$ 73,703	$ 73,704	$ 53,715	$ 53,715	$ 53,715
Constructions [Member]
Goodwill	71,757				51,769
Materials [Member]
Goodwill	$ 1,946				$ 1,946

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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