Note 13 - Related Parties - Related Party Expenses (Details) - USD ($)	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Related party transactions	$ 153,546	$ 244,298
Consulting Fees [Member]
Related party transactions	90,000	148,500
Selling, General and Administrative Expenses [Member]
Related party transactions	63,546	94,356
Share-based Compensation [Member]
Related party transactions	$ 0	$ 1,442

Amount of transactions with related party during the financial reporting period.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-3

Name:	us-gaap_RelatedPartyTransactionAmountsOfTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration