Note 13 - Related Party Transactions (Details Textual)	Apr. 25, 2022 USD ($)
Convertible Promissory Note [Member] \| Ducera Investments LLC [Member]
Debt Instrument, Face Amount	$ 4,500,000

Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant