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Note 6 - Goodwill and Intangible Assets - Schedule of Goodwill (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)
Goodwill	$ 22,985
Goodwill	53,684
Park Environmental Equipment, LLC [Member]
Acquisition of ParkUSA (Note 3)	$ 30,699

X

- Definition

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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