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Note 15 - Subsequent Events (Details Textual) - USD ($)	Jan. 03, 2022	Feb. 26, 2021
Board of Directors Chairman [Member] | Subsequent Event [Member]
Stock Issued During Period, Shares, Issued for Services (in shares)	18,641
Stock Issued During Period, Value, Issued for Services	$ 140,000
Management [Member]
Stock Issued During Period, Shares, Issued for Services (in shares)		30,694
Stock Issued During Period, Value, Issued for Services		$ 166,667
Management [Member] | Subsequent Event [Member]
Stock Issued During Period, Shares, Issued for Services (in shares)	48,341
Stock Issued During Period, Value, Issued for Services	$ 283,605

X

- Definition

Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders.

+ References

No definition available.

+ Details

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

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: