Note 18 - Contingencies (Details Textual) - Loss Contingency, Obligation for Sales and Use Tax [Member] $ in Millions	Aug. 09, 2021 USD ($)
Loss Contingency, Potential Obligation	$ 1.0
Loss Contingency Accrual, Payments	$ 0.4

Amount of cash outflow reducing loss contingency liability.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483076/450-20-50-1

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration