Note 11 - Related Parties (Details Textual) - USD ($)	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022
Related Party Transaction, Amounts of Transaction	$ 127,575	$ 129,297
Selling, General and Administrative Expenses [Member]
Related Party Transaction, Amounts of Transaction	36,133	51,951
Share-based Compensation [Member]
Related Party Transaction, Amounts of Transaction	$ 1,442	$ 32,346

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