Note 6 - Goodwill and Intangible Assets - Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Balance	$ 58,449	$ 33,637
Correction of an error related to CBS goodwill		(131)
Balance	224,741	58,449
SciSafe Holdings, Inc [Member]
Goodwill related to acquisition		$ 24,943
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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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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