Note 14 - Subsequent Events (Details Textual) - Forecast [Member] - Michael King [Member] - Notes Payable, Other Payables [Member]	Apr. 06, 2022 USD ($)
Debt Instrument, Face Amount	$ 1,000,000
Debt Instrument, Required Payment of Principal and Guaranteed Interest	$ 90,000

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

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