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Note 11 - Goodwill and Intangible Assets - Goodwill (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)
Balance	$ 58,449
Balance	224,741
Global Cooling[Member]
Goodwill related to acquisition	137,822
Sexton Biotechnologies, Inc. [Member]
Goodwill related to acquisition	$ 28,470

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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